制服诱惑欧美亚洲国产_日韩三级在线观看久_国产自产高清在线_成人午夜亚洲精 ,日本一区二区三区在线观看网站,永久免费观看美女视频,国产精品一

CN|EN
當(dāng)前位置: Home > R&D and Innovation > Scientific Research Achievement > Intellectual Property Rights
Established, updated and improved industry standards
來(lái)源: 作者:中硅高科管理員 發(fā)布時(shí)間:2022年06月05日
+ . -

  標(biāo)準(zhǔn)體系英文版

  SINOSICO has developed a total of 67 standards at national, international, industry, and group levels, including six international standards, 25 national standards, 15 industry standards, and 21 group standards, which form a standard system for silicon-based materials.

copyright?2022-2023 China Silicon Corporation Ltd.
豫ICP備09006428號(hào)-1 | 工信部備案查詢地址
ADDRESS:No.1 Mudan Avenue West Road, Luolong Science and Technology Park, Luolong District, Luoyang City, Henan Province