性高潮久久久久久久久久_特黄特黄视频免费看_女教师精喷11p_亚洲伊人成无码综合网

Service hotline:
0532-87626730/dt>
CONTACT US
TEL
0532-87626730
TEL:0532-87626730
FAX:0532-87622891
Address:No. 8, Huali Road, Jiaozhouwan comprehensive free trade zone, Hetao street, Chengyang District, Qingdao
Nano carbon powder silver plating
Author: Time:2020-08-13

Nano powder silver/nickel/copper plating, using imported technology, fine powder.


Excellent thermal and electrical conductivity, very low coefficient of expansion.


The products can be used in military industry, aerospace, electronic equipment, communications, medical, construction, government agencies, banking securities and other industries.


百度 

Copyright @ 2019-2024 Qingdao Hengtong X-Silver Speciality Textile Co.,Ltd. All Rights Reserved. 版權(quán)所有 備案號:魯ICP備09105206號-1
TEL:+86-0532-87626730 +86-0532-87651000 +86-0532-87652578 +86-0532-68698277 FAX:0532-87622891
Address:No. 8, HuaLi Road, Jiaozhouwan comprehensive free trade zone, Hetao street, Chengyang District, Qingdao