1 Introduction to Research & Analysis Reports
1.1 Regenerative Heat Exchangers Market Definition
1.2 Market Segments
1.2.1 Segment by Type
1.2.2 Segment by Application
1.3 China Regenerative Heat Exchangers Market Overview
1.4 Methodology & Sources of Information
1.4.1 Research Methodology
1.4.2 Research Process
1.4.3 Base Year
2 China Regenerative Heat Exchangers Overall Market Size
2.1 China Regenerative Heat Exchangers Market Size: 2021 VS 2027
2.2 China Regenerative Heat Exchangers Revenue, Prospects & Forecasts: 2016-2027
2.3 China Regenerative Heat Exchangers Sales: 2016-2027
3 Company Landscape
3.1 Top Regenerative Heat Exchangers Players in China Market
3.2 Top China Regenerative Heat Exchangers Companies Ranked by Revenue
3.3 China Regenerative Heat Exchangers Revenue by Companies
3.4 China Regenerative Heat Exchangers Sales by Companies
3.5 China Regenerative Heat Exchangers Price by Manufacturer (2016-2021)
3.6 Top 3 and Top 5 Regenerative Heat Exchangers Companies in China Market, by Revenue in 2020
3.7 Manufacturers Regenerative Heat Exchangers Product Type
3.8 Tier 1, Tier 2 and Tier 3 Regenerative Heat Exchangers Players in China Market
3.8.1 List of Tier 1 Regenerative Heat Exchangers Companies in China
3.8.2 List of Tier 2 and Tier 3 Regenerative Heat Exchangers Companies in China
4 Sights by Type
4.1 Overview
4.1.1 By Type - China Regenerative Heat Exchangers Market Size Markets, 2021 & 2027
4.1.2 Tubular Type Regenerative Heat Exchangers
4.1.3 Regenerative Air Preheaters
4.1.4 Regenerator
4.2 By Type - China Regenerative Heat Exchangers Revenue & Forecasts
4.2.1 By Type - China Regenerative Heat Exchangers Revenue, 2016-2021
4.2.2 By Type - China Regenerative Heat Exchangers Revenue, 2022-2027
4.2.3 By Type - China Regenerative Heat Exchangers Revenue Market Share, 2016-2027
4.3 By Type - China Regenerative Heat Exchangers Sales & Forecasts
4.3.1 By Type - China Regenerative Heat Exchangers Sales, 2016-2021
4.3.2 By Type - China Regenerative Heat Exchangers Sales, 2022-2027
4.3.3 By Type - China Regenerative Heat Exchangers Sales Market Share, 2016-2027
4.4 By Type - China Regenerative Heat Exchangers Price (Manufacturers Selling Prices), 2016-2027
5 Sights by Application
5.1 Overview
5.1.1 By Application - China Regenerative Heat Exchangers Market Size, 2021 & 2027
5.1.2 Glass Industry
5.1.3 Steel Industry
5.1.4 Other Industry
5.2 By Application - China Regenerative Heat Exchangers Revenue & Forecasts
5.2.1 By Application - China Regenerative Heat Exchangers Revenue, 2016-2021
5.2.2 By Application - China Regenerative Heat Exchangers Revenue, 2022-2027
5.2.3 By Application - China Regenerative Heat Exchangers Revenue Market Share, 2016-2027
5.3 By Application - China Regenerative Heat Exchangers Sales & Forecasts
5.3.1 By Application - China Regenerative Heat Exchangers Sales, 2016-2021
5.3.2 By Application - China Regenerative Heat Exchangers Sales, 2022-2027
5.3.3 By Application - China Regenerative Heat Exchangers Sales Market Share, 2016-2027
5.4 By Application - China Regenerative Heat Exchangers Price (Manufacturers Selling Prices), 2016-2027
6 Manufacturers & Brands Profiles
6.1 Danfoss
6.1.1 Danfoss Corporation Information
6.1.2 Danfoss Overview
6.1.3 Danfoss Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.1.4 Danfoss Regenerative Heat Exchangers Product Description
6.1.5 Danfoss Recent Developments
6.2 Alfa Laval
6.2.1 Alfa Laval Corporation Information
6.2.2 Alfa Laval Overview
6.2.3 Alfa Laval Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.2.4 Alfa Laval Regenerative Heat Exchangers Product Description
6.2.5 Alfa Laval Recent Developments
6.3 Kelvion(GEA)
6.3.1 Kelvion(GEA) Corporation Information
6.3.2 Kelvion(GEA) Overview
6.3.3 Kelvion(GEA) Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.3.4 Kelvion(GEA) Regenerative Heat Exchangers Product Description
6.3.5 Kelvion(GEA) Recent Developments
6.4 SPX Corporation
6.4.1 SPX Corporation Corporation Information
6.4.2 SPX Corporation Overview
6.4.3 SPX Corporation Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.4.4 SPX Corporation Regenerative Heat Exchangers Product Description
6.4.5 SPX Corporation Recent Developments
6.5 IHI
6.5.1 IHI Corporation Information
6.5.2 IHI Overview
6.5.3 IHI Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.5.4 IHI Regenerative Heat Exchangers Product Description
6.5.5 IHI Recent Developments
6.6 SPX-Flow
6.6.1 SPX-Flow Corporation Information
6.6.2 SPX-Flow Overview
6.6.3 SPX-Flow Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.6.4 SPX-Flow Regenerative Heat Exchangers Product Description
6.6.5 SPX-Flow Recent Developments
6.7 DOOSAN
6.7.1 DOOSAN Corporation Information
6.7.2 DOOSAN Overview
6.7.3 DOOSAN Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.7.4 DOOSAN Regenerative Heat Exchangers Product Description
6.7.5 DOOSAN Recent Developments
6.8 API
6.8.1 API Corporation Information
6.8.2 API Overview
6.8.3 API Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.8.4 API Regenerative Heat Exchangers Product Description
6.8.5 API Recent Developments
6.9 KNM
6.9.1 KNM Corporation Information
6.9.2 KNM Overview
6.9.3 KNM Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.9.4 KNM Regenerative Heat Exchangers Product Description
6.9.5 KNM Recent Developments
6.10 Funke
6.10.1 Funke Corporation Information
6.10.2 Funke Overview
6.10.3 Funke Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.10.4 Funke Regenerative Heat Exchangers Product Description
6.10.5 Funke Recent Developments
6.11 Xylem
6.11.1 Xylem Corporation Information
6.11.2 Xylem Overview
6.11.3 Xylem Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.11.4 Xylem Regenerative Heat Exchangers Product Description
6.11.5 Xylem Recent Developments
6.12 Thermowave
6.12.1 Thermowave Corporation Information
6.12.2 Thermowave Overview
6.12.3 Thermowave Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.12.4 Thermowave Regenerative Heat Exchangers Product Description
6.12.5 Thermowave Recent Developments
6.13 Hisaka
6.13.1 Hisaka Corporation Information
6.13.2 Hisaka Overview
6.13.3 Hisaka Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.13.4 Hisaka Regenerative Heat Exchangers Product Description
6.13.5 Hisaka Recent Developments
6.14 Sondex A/S
6.14.1 Sondex A/S Corporation Information
6.14.2 Sondex A/S Overview
6.14.3 Sondex A/S Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.14.4 Sondex A/S Regenerative Heat Exchangers Product Description
6.14.5 Sondex A/S Recent Developments
6.15 SWEP
6.15.1 SWEP Corporation Information
6.15.2 SWEP Overview
6.15.3 SWEP Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.15.4 SWEP Regenerative Heat Exchangers Product Description
6.15.5 SWEP Recent Developments
6.16 LARSEN & TOUBRO
6.16.1 LARSEN & TOUBRO Corporation Information
6.16.2 LARSEN & TOUBRO Overview
6.16.3 LARSEN & TOUBRO Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.16.4 LARSEN & TOUBRO Regenerative Heat Exchangers Product Description
6.16.5 LARSEN & TOUBRO Recent Developments
6.17 Accessen
6.17.1 Accessen Corporation Information
6.17.2 Accessen Overview
6.17.3 Accessen Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.17.4 Accessen Regenerative Heat Exchangers Product Description
6.17.5 Accessen Recent Developments
6.18 Kelvion
6.18.1 Kelvion Corporation Information
6.18.2 Kelvion Overview
6.18.3 Kelvion Regenerative Heat Exchangers Sales and Revenue in China Market (2016-2021)
6.18.4 Kelvion Regenerative Heat Exchangers Product Description
6.18.5 Kelvion Recent Developments
7 China Regenerative Heat Exchangers Production Capacity, Analysis
7.1 China Regenerative Heat Exchangers Production Capacity, 2016-2027
7.2 Regenerative Heat Exchangers Production Capacity of Key Manufacturers in China Market
8 Key Market Trends, Opportunity, Drivers and Restraints
8.1 Market Opportunities & Trends
8.2 Market Drivers
8.3 Market Restraints
9 Regenerative Heat Exchangers Supply Chain Analysis
9.1 Regenerative Heat Exchangers Industry Value Chain
9.2 Regenerative Heat Exchangers Upstream Market
9.3 Regenerative Heat Exchangers Downstream and Clients
中國再生熱交換器市場分析和趨勢報告2021-2027
9.4 Marketing Channels Analysis
9.4.1 Marketing Channels
9.4.2 Regenerative Heat Exchangers Distributors and Sales Agents in China Market
10 Conclusion
11 Appendix
11.1 Note
11.2 Examples of Clients
11.3 Author Details
11.4 Disclaimer
List of Tables
Table 1. Key Players of Regenerative Heat Exchangers in China Market
Table 2. Top Regenerative Heat Exchangers Players in China Market, Ranking by Revenue (2019)
Table 3. China Regenerative Heat Exchangers Revenue by Companies, (US$, Mn), 2016-2021
Table 4. China Regenerative Heat Exchangers Revenue Share by Companies, 2016-2021
Table 5. China Regenerative Heat Exchangers Sales by Companies, (Units), 2016-2021
Table 6. China Regenerative Heat Exchangers Sales Share by Companies, 2016-2021
Table 7. Key Manufacturers Regenerative Heat Exchangers Price (2016-2021) & (USD/Unit)
Table 8. Manufacturers Regenerative Heat Exchangers Product Type
Table 9. List of Tier 1 Regenerative Heat Exchangers Companies, Revenue (US$, Mn) in 2020 and Market Share
Table 10. List of Tier 2 and Tier 3 Regenerative Heat Exchangers Companies, Revenue (US$, Mn) in 2020 and Market Share
Table 11. Major Manufacturers of Tubular Type Regenerative Heat Exchangers
Table 12. Major Manufacturers of Regenerative Air Preheaters
Table 13. By Type – China Regenerative Heat Exchangers Revenue, (US$, Mn), 2021 & 2027
Table 14. By Type - China Regenerative Heat Exchangers Revenue (US$, Mn), 2016-2021
Table 15. By Type - China Regenerative Heat Exchangers Revenue (US$, Mn), 2022-2027
Table 16. By Type - China Regenerative Heat Exchangers Sales (Units), 2016-2021
Table 17. By Type - China Regenerative Heat Exchangers Sales (Units), 2022-2027
Table 18. By Application – China Regenerative Heat Exchangers Revenue, (US$, Mn), 2021 VS 2027
Table 19. By Application - China Regenerative Heat Exchangers Revenue (US$, Mn), 2016-2021
Table 20. By Application - China Regenerative Heat Exchangers Revenue (US$, Mn), 2022-2027
Table 21. By Application - China Regenerative Heat Exchangers Sales (Units), 2016-2021
Table 22. By Application - China Regenerative Heat Exchangers Sales (Units), 2022-2027
Table 23. Danfoss Corporation Information
Table 24. Danfoss Description and Major Businesses
Table 25. Danfoss Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 26. Danfoss Regenerative Heat Exchangers Product
Table 27. Danfoss Recent Developments
Table 28. Alfa Laval Corporation Information
Table 29. Alfa Laval Description and Major Businesses
Table 30. Alfa Laval Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 31. Alfa Laval Regenerative Heat Exchangers Product
Table 32. Alfa Laval Recent Developments
Table 33. Kelvion(GEA) Corporation Information
Table 34. Kelvion(GEA) Description and Major Businesses
Table 35. Kelvion(GEA) Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 36. Kelvion(GEA) Regenerative Heat Exchangers Product
Table 37. Kelvion(GEA) Recent Developments
Table 38. SPX Corporation Corporation Information
Table 39. SPX Corporation Description and Major Businesses
Table 40. SPX Corporation Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 41. SPX Corporation Regenerative Heat Exchangers Product
Table 42. SPX Corporation Recent Developments
Table 43. IHI Corporation Information
Table 44. IHI Description and Major Businesses
Table 45. IHI Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 46. IHI Regenerative Heat Exchangers Product
Table 47. IHI Recent Developments
Table 48. SPX-Flow Corporation Information
Table 49. SPX-Flow Description and Major Businesses
Table 50. SPX-Flow Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 51. SPX-Flow Regenerative Heat Exchangers Product
Table 52. SPX-Flow Recent Developments
Table 53. DOOSAN Corporation Information
Table 54. DOOSAN Description and Major Businesses
Table 55. DOOSAN Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 56. DOOSAN Regenerative Heat Exchangers Product
Table 57. DOOSAN Recent Developments
Table 58. API Corporation Information
Table 59. API Description and Major Businesses
Table 60. API Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
zhōngguó zàishēng rè jiāohuàn qì shìchǎng fēnxī hé qūshì bàogào 2021-2027
Table 61. API Regenerative Heat Exchangers Product
Table 62. API Recent Developments
Table 63. KNM Corporation Information
Table 64. KNM Description and Major Businesses
Table 65. KNM Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 66. KNM Regenerative Heat Exchangers Product
Table 67. KNM Recent Developments
Table 68. Funke Corporation Information
Table 69. Funke Description and Major Businesses
Table 70. Funke Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 71. Funke Regenerative Heat Exchangers Product
Table 72. Funke Recent Developments
Table 73. Xylem Corporation Information
Table 74. Xylem Description and Major Businesses
Table 75. Xylem Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 76. Xylem Regenerative Heat Exchangers Product
Table 77. Xylem Recent Developments
Table 78. Thermowave Corporation Information
Table 79. Thermowave Description and Major Businesses
Table 80. Thermowave Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 81. Thermowave Regenerative Heat Exchangers Product
Table 82. Thermowave Recent Developments
Table 83. Hisaka Corporation Information
Table 84. Hisaka Description and Major Businesses
Table 85. Hisaka Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 86. Hisaka Regenerative Heat Exchangers Product
Table 87. Hisaka Recent Developments
Table 88. Sondex A/S Corporation Information
Table 89. Sondex A/S Description and Major Businesses
Table 90. Sondex A/S Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 91. Sondex A/S Regenerative Heat Exchangers Product
Table 92. Sondex A/S Recent Developments
Table 93. SWEP Corporation Information
Table 94. SWEP Description and Major Businesses
Table 95. SWEP Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 96. SWEP Regenerative Heat Exchangers Product
Table 97. SWEP Recent Developments
Table 98. LARSEN & TOUBRO Corporation Information
Table 99. LARSEN & TOUBRO Description and Major Businesses
Table 100. LARSEN & TOUBRO Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 101. LARSEN & TOUBRO Regenerative Heat Exchangers Product
Table 102. LARSEN & TOUBRO Recent Developments
Table 103. Accessen Corporation Information
Table 104. Accessen Description and Major Businesses
Table 105. Accessen Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 106. Accessen Regenerative Heat Exchangers Product
Table 107. Accessen Recent Developments
Table 108. Kelvion Corporation Information
Table 109. Kelvion Description and Major Businesses
Table 110. Kelvion Regenerative Heat Exchangers Sales (Units), Revenue (US$, Mn) and Gross Margin (USD/Unit) (2016-2021)
Table 111. Kelvion Regenerative Heat Exchangers Product
Table 112. Kelvion Recent Developments
Table 113. Regenerative Heat Exchangers Production Capacity (Units) of Key Manufacturers in China Market, 2019-2021 (Units)
Table 114. China Regenerative Heat Exchangers Capacity Market Share of Key Manufacturers, 2019-2021
Table 115. Regenerative Heat Exchangers Market Opportunities & Trends in China Market
Table 116. Regenerative Heat Exchangers Market Drivers in China Market
Table 117. Regenerative Heat Exchangers Market Restraints in China Market
Table 118. Regenerative Heat Exchangers Raw Materials
Table 119. Regenerative Heat Exchangers Raw Materials Suppliers in China Market
Table 120. Typical Regenerative Heat Exchangers Downstream
Table 121. Regenerative Heat Exchangers Downstream Clients in China Market
Table 122. Regenerative Heat Exchangers Distributors and Sales Agents in China Market
List of Figures
Figure 1. Regenerative Heat Exchangers Product Picture
Figure 2. Regenerative Heat Exchangers Segment by Type
中國再生熱交換器の市場分析とトレンド報告書2021-2027
Figure 3. Regenerative Heat Exchangers Segment by Application
Figure 4. China Regenerative Heat Exchangers Market Overview: 2020
Figure 5. China Regenerative Heat Exchangers Market Size: 2021 VS 2027 (US$, Mn)
Figure 6. China Regenerative Heat Exchangers Revenue, 2016-2027 (US$, Mn)
Figure 7. Regenerative Heat Exchangers Sales in China Market: 2016-2027 (Units)
Figure 8. The Top 3 and 5 Players Market Share by Regenerative Heat Exchangers Revenue in 2020
Figure 9. Tubular Type Regenerative Heat Exchangers Product Picture
Figure 10. Regenerative Air Preheaters Product Picture
Figure 11. Regenerator Product Picture
Figure 12. By Type - China Regenerative Heat Exchangers Sales Market Share, 2016-2027
Figure 13. By Type - China Regenerative Heat Exchangers Revenue Market Share, 2016-2027
Figure 14. By Type - China Regenerative Heat Exchangers Price (USD/Unit), 2016-2027
Figure 15. Glass Industry
Figure 16. Steel Industry
Figure 17. Other Industry
Figure 18. By Application - China Regenerative Heat Exchangers Sales Market Share, 2016-2027
Figure 19. By Application - China Regenerative Heat Exchangers Revenue Market Share, 2016-2027
Figure 20. By Application - China Regenerative Heat Exchangers Price (USD/Unit), 2016-2027
Figure 21. Danfoss Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 22. Alfa Laval Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 23. Kelvion(GEA) Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 24. SPX Corporation Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 25. IHI Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 26. SPX-Flow Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 27. DOOSAN Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 28. API Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 29. KNM Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 30. Funke Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 31. Xylem Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 32. Thermowave Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 33. Hisaka Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 34. Sondex A/S Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 35. SWEP Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 36. LARSEN & TOUBRO Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 37. Accessen Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 38. Kelvion Regenerative Heat Exchangers Revenue Year Over Year Growth (US$, Mn) & (2016-2021)
Figure 39. China Regenerative Heat Exchangers Production Capacity (Units), 2016-2027
Figure 40. Regenerative Heat Exchangers Industry Value Chain
Figure 41. Marketing Channels
省略………
訂購《China Regenerative Heat Exchangers Market Analysis and Trends Report 2021-2027》，編號：3175057
請撥打：400 612 8668、010-6618 1099、66182099、66183099
Email：KF@Cir.cn 下載《訂購協議》 ┊ 【網上訂購】 ┊ 了解“訂購流程”
請撥打：400 612 8668、010-6618 1099、66182099、66183099
Email：KF@Cir.cn 下載《訂購協議》 ┊ 【網上訂購】 ┊ 了解“訂購流程”
京公網安備 11010802027365號