CN
GO
Home
About Us
Company Profile
Company Brands
History
Promotional Videos
Member Companies
Technology R&D
S&T development and technological service platforms at national level
Scientific and technological development platforms at ministerial and provincial level
Standard Innovation
International Standardization Platforms · International Standardization Discourse
National Standardization Platforms · Support to Supply-Side Reform
Formulating Multiple “First” Standards
Products & Services
Quality Technical Services
Intelligent Equipment
Environmentally Friendly Coatings and Resins
Solutions
Solution to Green Coatings of Industrial Products
Investor Relations
Corporate Governance
Regular Announcements
Interim Announcements
Stock Prices
Investor Service
顶部轮播
Formulating Multiple “First” Standards
International Standardization Platforms · International Standardization Discourse
National Standardization Platforms · Support to Supply-Side Reform
Formulating Multiple “First” Standards
home
>
Standard Innovation
>
Formulating Multiple “First” Standards
GB 12021.9-1989 The first standard for power consumption limit and testing methods for electrical fans in China
2025-10-28
