1 High Molecular Humidity Sensor Market Overview 1.1 High Molecular Humidity Sensor Product Scope 1.2 High Molecular Humidity Sensor Segment by Type 1.2.1 Global High Molecular Humidity Sensor Sales by Type (2020-2026) 1.2.2 Resistance Type 1.2.3 Capacitive Type 1.2.4 Other 1.3 High Molecular Humidity Sensor Segment by Application 1.3.1 Global High Molecular Humidity Sensor Sales Comparison by Application (2020-2026) 1.3.2 Meteorology 1.3.3 Environmental Monitoring 1.3.4 Other 1.4 High Molecular Humidity Sensor Market Estimates and Forecasts (2015-2026) 1.4.1 Global High Molecular Humidity Sensor Sales Growth Rate (2015-2026) 1.4.2 Global High Molecular Humidity Sensor Revenue and Growth Rate (2015-2026) 1.4.3 Global High Molecular Humidity Sensor Price Trends (2015-2026) 2 High Molecular Humidity Sensor Estimate and Forecast by Region 2.1 Global High Molecular Humidity Sensor Market Size by Region: 2015 VS 2020 VS 2026 2.2 Global High Molecular Humidity Sensor Retrospective Market Scenario by Region (2015-2020) 2.2.1 Global High Molecular Humidity Sensor Sales Market Share by Region (2015-2020) 2.2.2 Global High Molecular Humidity Sensor Revenue Market Share by Region (2015-2020) 2.3 Global High Molecular Humidity Sensor Market Estimates and Forecasts by Region (2021-2026) 2.3.1 Global High Molecular Humidity Sensor Sales Estimates and Forecasts by Region (2021-2026) 2.3.2 Global High Molecular Humidity Sensor Revenue Forecast by Region (2021-2026) 2.4 Geographic Market Analysis: Market Facts & Figures 2.4.1 United States High Molecular Humidity Sensor Estimates and Projections (2015-2026) 2.4.2 Europe High Molecular Humidity Sensor Estimates and Projections (2015-2026) 2.4.3 China High Molecular Humidity Sensor Estimates and Projections (2015-2026) 2.4.4 Japan High Molecular Humidity Sensor Estimates and Projections (2015-2026) 2.4.5 Southeast Asia High Molecular Humidity Sensor Estimates and Projections (2015-2026) 2.4.6 India High Molecular Humidity Sensor Estimates and Projections (2015-2026) 3 Global High Molecular Humidity Sensor Competition Landscape by Players 3.1 Global Top High Molecular Humidity Sensor Players by Sales (2015-2020) 3.2 Global Top High Molecular Humidity Sensor Players by Revenue (2015-2020) 3.3 Global High Molecular Humidity Sensor Market Share by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in High Molecular Humidity Sensor as of 2019) 3.4 Global High Molecular Humidity Sensor Average Price by Company (2015-2020) 3.5 Manufacturers High Molecular Humidity Sensor Manufacturing Sites, Area Served, Product Type 3.6 Manufacturers Mergers & Acquisitions, Expansion Plans 3.7 Primary Interviews with Key High Molecular Humidity Sensor Players (Opinion Leaders) 4 Global High Molecular Humidity Sensor Market Size by Type 4.1 Global High Molecular Humidity Sensor Historic Market Review by Type (2015-2020) 4.1.1 Global High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) 4.1.2 Global High Molecular Humidity Sensor Revenue Market Share by Type (2015-2020) 4.1.3 Global High Molecular Humidity Sensor Price by Type (2015-2020) 4.2 Global High Molecular Humidity Sensor Market Estimates and Forecasts by Type (2021-2026) 4.2.1 Global High Molecular Humidity Sensor Sales Forecast by Type (2021-2026) 4.2.2 Global High Molecular Humidity Sensor Revenue Forecast by Type (2021-2026) 4.2.3 Global High Molecular Humidity Sensor Price Forecast by Type (2021-2026) 5 Global High Molecular Humidity Sensor Market Size by Application 5.1 Global High Molecular Humidity Sensor Historic Market Review by Application (2015-2020) 5.1.1 Global High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) 5.1.2 Global High Molecular Humidity Sensor Revenue Market Share by Application (2015-2020) 5.1.3 Global High Molecular Humidity Sensor Price by Application (2015-2020) 5.2 Global High Molecular Humidity Sensor Market Estimates and Forecasts by Application (2021-2026) 5.2.1 Global High Molecular Humidity Sensor Sales Forecast by Application (2021-2026) 5.2.2 Global High Molecular Humidity Sensor Revenue Forecast by Application (2021-2026) 5.2.3 Global High Molecular Humidity Sensor Price Forecast by Application (2021-2026) 6 United States High Molecular Humidity Sensor Market Facts & Figures 6.1 United States High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) 6.2 United States High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) 6.3 United States High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) 7 Europe High Molecular Humidity Sensor Market Facts & Figures 7.1 Europe High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) 7.2 Europe High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) 7.3 Europe High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) 8 China High Molecular Humidity Sensor Market Facts & Figures 8.1 China High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) 8.2 China High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) 8.3 China High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) 9 Japan High Molecular Humidity Sensor Market Facts & Figures 9.1 Japan High Molecular Humidity Sensor Sales Market Share by Company (3015-3030) 9.2 Japan High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) 9.3 Japan High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) 10 Southeast Asia High Molecular Humidity Sensor Market Facts & Figures 10.1 Southeast Asia High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) 10.2 Southeast Asia High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) 10.3 Southeast Asia High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) 11 India High Molecular Humidity Sensor Market Facts & Figures 11.1 India High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) 11.2 India High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) 11.3 India High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) 12 Company Profiles and Key Figures in High Molecular Humidity Sensor Business 12.1 Vaisala 12.1.1 Vaisala Corporation Information 12.1.2 Vaisala Business Overview 12.1.3 Vaisala High Molecular Humidity Sensor Sales, Revenue and Gross Margin (2015-2020) 12.1.4 Vaisala High Molecular Humidity Sensor Products Offered 12.1.5 Vaisala Recent Development 12.2 Honeywell 12.2.1 Honeywell Corporation Information 12.2.2 Honeywell Business Overview 12.2.3 Honeywell High Molecular Humidity Sensor Sales, Revenue and Gross Margin (2015-2020) 12.2.4 Honeywell High Molecular Humidity Sensor Products Offered 12.2.5 Honeywell Recent Development 12.3 TDK 12.3.1 TDK Corporation Information 12.3.2 TDK Business Overview 12.3.3 TDK High Molecular Humidity Sensor Sales, Revenue and Gross Margin (2015-2020) 12.3.4 TDK High Molecular Humidity Sensor Products Offered 12.3.5 TDK Recent Development 12.4 Comptus 12.4.1 Comptus Corporation Information 12.4.2 Comptus Business Overview 12.4.3 Comptus High Molecular Humidity Sensor Sales, Revenue and Gross Margin (2015-2020) 12.4.4 Comptus High Molecular Humidity Sensor Products Offered 12.4.5 Comptus Recent Development 12.5 Michell Instruments 12.5.1 Michell Instruments Corporation Information 12.5.2 Michell Instruments Business Overview 12.5.3 Michell Instruments High Molecular Humidity Sensor Sales, Revenue and Gross Margin (2015-2020) 12.5.4 Michell Instruments High Molecular Humidity Sensor Products Offered 12.5.5 Michell Instruments Recent Development 12.6 Yuyao Gongyi Meter 12.6.1 Yuyao Gongyi Meter Corporation Information 12.6.2 Yuyao Gongyi Meter Business Overview 12.6.3 Yuyao Gongyi Meter High Molecular Humidity Sensor Sales, Revenue and Gross Margin (2015-2020) 12.6.4 Yuyao Gongyi Meter High Molecular Humidity Sensor Products Offered 12.6.5 Yuyao Gongyi Meter Recent Development ... 13 High Molecular Humidity Sensor Manufacturing Cost Analysis 13.1 High Molecular Humidity Sensor Key Raw Materials Analysis 13.1.1 Key Raw Materials 13.1.2 Key Raw Materials Price Trend 13.1.3 Key Suppliers of Raw Materials 13.2 Proportion of Manufacturing Cost Structure 13.3 Manufacturing Process Analysis of High Molecular Humidity Sensor 13.4 High Molecular Humidity Sensor Industrial Chain Analysis 14 Marketing Channel, Distributors and Customers 14.1 Marketing Channel 14.2 High Molecular Humidity Sensor Distributors List 14.3 High Molecular Humidity Sensor Customers 15 Market Dynamics 15.1 High Molecular Humidity Sensor Market Trends 15.2 High Molecular Humidity Sensor Opportunities and Drivers 15.3 High Molecular Humidity Sensor Market Challenges 15.4 High Molecular Humidity Sensor Market Restraints 15.5 Porter's Five Forces Analysis 16 Research Findings and Conclusion 17 Appendix 17.1 Research Methodology 17.1.1 Methodology/Research Approach 17.1.2 Data Source 17.2 Author List 17.3 Disclaimer

List of Tables Table 1. Global High Molecular Humidity Sensor Sales (K Units) Growth Rate by Type (2020-2026) (US$ Million) Table 2. Global High Molecular Humidity Sensor Sales (K Units) Comparison by Application (2020-2026) (US$ Million) Table 3. Global Market High Molecular Humidity Sensor Market Size (US$ Million) by Region:2015 VS 2020 &2026 Table 4. Global High Molecular Humidity Sensor Sales (K Units) by Region (2015-2020) Table 5. Global High Molecular Humidity Sensor Sales Market Share by Region (2015-2020) Table 6. Global High Molecular Humidity Sensor Revenue (US$ Million) Market Share by Region (2015-2020)) Table 7. Global High Molecular Humidity Sensor Revenue Share by Region (2015-2020) Table 8. Global High Molecular Humidity Sensor Sales (K Units) Forecast by Region (2021-2026) Table 9. Global High Molecular Humidity Sensor Sales Market Share Forecast by Region (2021-2026) Table 10. Global High Molecular Humidity Sensor Revenue (US$ Million) Forecast by Region (2021-2026) Table 11. Global High Molecular Humidity Sensor Revenue Share Forecast by Region (2021-2026) Table 12. Global High Molecular Humidity Sensor (K Units) of Key Companies (2015-2020) Table 13. Global High Molecular Humidity Sensor Sales Share by Company (2015-2020) Table 14. Global High Molecular Humidity Sensor Revenue (US$ Million) by Company (2015-2020) Table 15. Global High Molecular Humidity Sensor Revenue Share by Company (2015-2020) Table 16. Global High Molecular Humidity Sensor by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in High Molecular Humidity Sensor as of 2019) Table 17. Global High Molecular Humidity Sensor Average Price (USD/Unit) of Key Company (2015-2020) Table 18. Manufacturers High Molecular Humidity Sensor Manufacturing Sites and Area Served Table 19. Manufacturers High Molecular Humidity Sensor Product Type Table 20. Manufacturers Mergers & Acquisitions, Expansion Plans Table 21. Main Points Interviewed from Key High Molecular Humidity Sensor Players Table 22. Global High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 23. Global High Molecular Humidity Sensor Sales Share by Type (2015-2020) Table 24. Global High Molecular Humidity Sensor Revenue (US$ Million) Market Share by Type (2015-2020) Table 25. Global High Molecular Humidity Sensor Price (K Units) by Type (2015-2020) Table 26. Global High Molecular Humidity Sensor Sales Share by Type (2021-2026) Table 27. Global High Molecular Humidity Sensor Revenue (US$ Million) Market Share by Type (2021-2026) Table 28. Global High Molecular Humidity Sensor Revenue Share by Type (2021-2026) Table 29. Global High Molecular Humidity Sensor Price (K Units) by Type (2021-2026) Table 30. Global High Molecular Humidity Sensor Sales (K Units) by Application (2015-2020) Table 31. Global High Molecular Humidity Sensor Sales Share by Application (2015-2020) Table 32. Global High Molecular Humidity Sensor Revenue (US$ Million) Market Share by Application (2015-2020) Table 33. Global High Molecular Humidity Sensor Price (K Units) by Application (2015-2020) Table 34. Global High Molecular Humidity Sensor Sales (K Units) by Application (2021-2026) Table 35. Global High Molecular Humidity Sensor Sales Share by Application (2021-2026) Table 36. Global High Molecular Humidity Sensor Revenue (US$ Million) Market Share by Application (2021-2026) Table 37. Global High Molecular Humidity Sensor Revenue Share by Application (2021-2026) Table 38. Global High Molecular Humidity Sensor Price (K Units) by Application (2021-2026) Table 39. United States High Molecular Humidity Sensor Sales (K Units) by Company (2015-2020) Table 40. United States High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) Table 41. United States High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 42. United States High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) Table 43. United States High Molecular Humidity Sensor Sales (K Units) by Application (2015-2020) Table 44. United States High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) Table 45. Europe High Molecular Humidity Sensor Sales (K Units) by Company (2015-2020) Table 46. Europe High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) Table 47. Europe High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 48. Europe High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) Table 49. Europe High Molecular Humidity Sensor Sales (K Units) by Application (2015-2020) Table 50. Europe High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) Table 51. China High Molecular Humidity Sensor Sales (K Units) by Company (2015-2020) Table 52. China High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) Table 53. China High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 54. China High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) Table 55. China High Molecular Humidity Sensor Sales (K Units) by Application (2015-2020) Table 56. China High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) Table 57. Japan High Molecular Humidity Sensor Sales (K Units) by Company (2015-2020) Table 58. Japan High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) Table 59. Japan High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 60. Japan High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) Table 61. Japan High Molecular Humidity Sensor Sales (K Units) by Application (2015-2020) Table 62. Japan High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) Table 63. Southeast Asia High Molecular Humidity Sensor Sales (K Units) by Company (2015-2020) Table 64. Southeast Asia High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) Table 65. Southeast Asia High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 66. Southeast Asia High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) Table 67. Southeast Asia High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 68. Southeast Asia High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) Table 69. India High Molecular Humidity Sensor Sales (K Units) by Company (2015-2020) Table 70. India High Molecular Humidity Sensor Sales Market Share by Company (2015-2020) Table 71. India High Molecular Humidity Sensor Sales (K Units) by Type (2015-2020) Table 72. India High Molecular Humidity Sensor Sales Market Share by Type (2015-2020) Table 73. India High Molecular Humidity Sensor Sales (K Units) by Application (2015-2020) Table 74. India High Molecular Humidity Sensor Sales Market Share by Application (2015-2020) Table 75. Vaisala Corporation Information Table 76. Vaisala Description and Business Overview Table 77. Vaisala High Molecular Humidity Sensor Sales (K Units), Revenue (Million USD), Price (USD/Unit) and Gross Margin (2015-2020) Table 78. Vaisala High Molecular Humidity Sensor Product Table 79. Vaisala Recent Development Table 80. Honeywell Corporation Information Table 81. Honeywell Description and Business Overview Table 82. Honeywell High Molecular Humidity Sensor Sales (K Units), Revenue (Million USD), Price (USD/Unit) and Gross Margin (2015-2020) Table 83. Honeywell High Molecular Humidity Sensor Product Table 84. Honeywell Recent Development Table 85. TDK Corporation Information Table 86. TDK Description and Business Overview Table 87. TDK High Molecular Humidity Sensor Sales (K Units), Revenue (Million USD), Price (USD/Unit) and Gross Margin (2015-2020) Table 88. TDK High Molecular Humidity Sensor Product Table 89. TDK Recent Development Table 90. Comptus Corporation Information Table 91. Comptus Description and Business Overview Table 92. Comptus High Molecular Humidity Sensor Sales (K Units), Revenue (Million USD), Price (USD/Unit) and Gross Margin (2015-2020) Table 93. Comptus High Molecular Humidity Sensor Product Table 94. Comptus Recent Development Table 95. Michell Instruments Corporation Information Table 96. Michell Instruments Description and Business Overview Table 97. Michell Instruments High Molecular Humidity Sensor Sales (K Units), Revenue (Million USD), Price (USD/Unit) and Gross Margin (2015-2020) Table 98. Michell Instruments High Molecular Humidity Sensor Product Table 99. Michell Instruments Recent Development Table 100. Yuyao Gongyi Meter Corporation Information Table 101. Yuyao Gongyi Meter Description and Business Overview Table 102. Yuyao Gongyi Meter High Molecular Humidity Sensor Sales (K Units), Revenue (Million USD), Price (USD/Unit) and Gross Margin (2015-2020) Table 103. Yuyao Gongyi Meter High Molecular Humidity Sensor Product Table 104. Yuyao Gongyi Meter Recent Development Table 105. Production Base and Market Concentration Rate of Raw Material Table 106. Key Suppliers of Raw Materials Table 107. High Molecular Humidity Sensor Distributors List Table 108. High Molecular Humidity Sensor Customers List Table 109. High Molecular Humidity Sensor Market Key Trends Table 110. High Molecular Humidity Sensor Key Opportunities and Drivers Table 111. High Molecular Humidity Sensor Market Challenges Table 112. Research Programs/Design for This Report Table 113. Key Data Information from Secondary Sources Table 114. Key Data Information from Primary Sources List of Figures Figure 1. High Molecular Humidity Sensor Product Picture Figure 2. Global High Molecular Humidity Sensor Sales Market Share by Type in 2020 & 2026 Figure 3. Type I Product Picture Figure 4. Type II Product Picture Figure 5. Global High Molecular Humidity Sensor Market Share by Application in 2020 & 2026 Figure 6. Meteorology Examples Figure 7. Environmental Monitoring Examples Figure 8. Other Examples Figure 9. Global High Molecular Humidity Sensor Sales (K Units) Growth Rate (2015-2026) Figure 10. Global High Molecular Humidity Sensor Revenue (US$ Million) Growth Rate (2015-2026) Figure 11. Global High Molecular Humidity Sensor Price Trends Growth Rate (2015-2026) (USD/Unit) Figure 12. Global High Molecular Humidity Sensor Revenue Market Share by Region: 2015 VS 2020 Figure 13. Global High Molecular Humidity Sensor Revenue Market Share by Region: 2021 VS 2026 Figure 14. United States High Molecular Humidity Sensor Revenue (Million USD) Growth Rate (2015-2026) Figure 15. United States High Molecular Humidity Sensor Sales (K Units) Growth Rate (2015-2026) Figure 16. Europe High Molecular Humidity Sensor Revenue (Million USD) Growth Rate (2015-2026) Figure 17. Europe High Molecular Humidity Sensor Sales (Million USD) Growth Rate (2015-2026) Figure 18. China High Molecular Humidity Sensor Revenue (Million USD) Growth Rate (2015-2026) Figure 19. China High Molecular Humidity Sensor Sales (Million USD) and Growth Rate (2015-2026) Figure 20. Japan High Molecular Humidity Sensor Revenue (Million USD) Growth Rate (2015-2026) Figure 21. Japan High Molecular Humidity Sensor Sales (Million USD) Growth Rate (2015-2026) Figure 22. Southeast Asia High Molecular Humidity Sensor Revenue (Million USD) Growth Rate (2015-2026) Figure 23. Southeast Asia High Molecular Humidity Sensor Sales (Million USD) Growth Rate (2015-2026) Figure 24. India High Molecular Humidity Sensor Revenue (Million USD) Growth Rate (2015-2026) Figure 25. India High Molecular Humidity Sensor Sales (Million USD) Growth Rate (2015-2026) Figure 26. Global 5 Largest High Molecular Humidity Sensor Players Market Share by Revenue in High Molecular Humidity Sensor 2015 & 2019 Figure 27. High Molecular Humidity Sensor Market Share by Company Type (Tier 1, Tier 2 and Tier 3): 2015 VS 2019 Figure 28. Global High Molecular Humidity Sensor Revenue Share by Type (2015-2020) Figure 29. Global High Molecular Humidity Sensor Revenue Growth Rate by Type in 2015 & 2019 Figure 30. Global High Molecular Humidity Sensor Revenue Share by Application (2015-2020) Figure 31. Global High Molecular Humidity Sensor Revenue Growth Rate by Application in 2015 & 2019 Figure 32. United States High Molecular Humidity Sensor Sales Market Share by Type in 2019 Figure 33. United States High Molecular Humidity Sensor Sales Market Share by Type in 2019 Figure 34. Europe High Molecular Humidity Sensor Sales Market Share by Company in 2019 Figure 35. Europe High Molecular Humidity Sensor Sales Market Share by Type in 2019 Figure 36. Europe High Molecular Humidity Sensor Sales Market Share by Application in 2019 Figure 37. China High Molecular Humidity Sensor Sales Market Share by Company in 2019 Figure 38. China High Molecular Humidity Sensor Sales Market Share by Type in 2019 Figure 39. China High Molecular Humidity Sensor Sales Market Share by Application in 2019 Figure 40. Japan High Molecular Humidity Sensor Sales Market Share by Company in 2019 Figure 41. Japan High Molecular Humidity Sensor Sales Market Share by Type in 2019 Figure 42. Japan High Molecular Humidity Sensor Sales Market Share by Application in 2019 Figure 43. Southeast Asia High Molecular Humidity Sensor Sales Market Share by Company in 2019 Figure 44. Southeast Asia High Molecular Humidity Sensor Sales Market Share by Type in 2019 Figure 45. Southeast Asia High Molecular Humidity Sensor Sales Market Share by Application in 2019 Figure 46. India High Molecular Humidity Sensor Sales Market Share by Company in 2019 Figure 47. India High Molecular Humidity Sensor Sales Market Share by Type in 2019 Figure 48. India High Molecular Humidity Sensor Sales Market Share by Application in 2019 Figure 49. Key Raw Materials Price Trend Figure 50. Manufacturing Cost Structure of High Molecular Humidity Sensor Figure 51. Manufacturing Process Analysis of High Molecular Humidity Sensor Figure 52. High Molecular Humidity Sensor Industrial Chain Analysis Figure 53. Channels of Distribution Figure 54. Distributors Profiles Figure 55. Porter's Five Forces Analysis Figure 56. Bottom-up and Top-down Approaches for This Report Figure 57. Data Triangulation Figure 58. Key Executives Interviewed

Vaisala Honeywell TDK Comptus Michell Instruments Yuyao Gongyi Meter