Stock Code

300283

Direct
Direct

岛国爱情片AV黄片,欧美一级片在线观看,被公每天侵犯的我,av禁片在线观看,在线观看av高清,欧美三级韩国三级日本,两个人完整bd高清视频免费,影音先锋能播放的资源网站,爆乳影院亚洲

R&D
Zhejiang Hongfeng Key Enterprise Institute of Functional Composite Materials
Major Scientific And Technological Innovation Achievements
Hongfeng has formed the core technology in electrical contact materials, Metal-matrix Engineered Composite Materials, cemented carbide and other products
149
Authorized patents
17
International Patent
85
National Invention Patent
45
National Patent for Utility Models
2
National Design Patent
13
National standard
68
Industrial standard
1
Third Patent Prize Winner at WIPO-CNIPA Awards for Chinese Outstanding Patented Inventions and Industrial Designs
4
Scientific and Technological Award of Zhejiang Province
1
Zhejiang Patent Gold Award
1
The First Domestic Product
50
Important academic conferences and journals
International Patent
Type :
International Patent