放荡少妇深喉吞浓精,YY4408理论无码私人青苹果影院,97r久久精品国产99国产精,国产亚洲欧美精品在线观看

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 copper 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(hào):魯ICP備09105206號(hào)-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