欧美国产精品不卡在线观看_女人18毛片a级水真多_无码免费视频在线观看_欧美三级日韩一级_久久人妻无码毛片_日韩人妻无码专区综合网_亚洲日韩欧洲无码A∨夜夜爽_欧美野外激情一区二区群干_国产精品高清精致成熟av_国产又粗又猛又黄

hot圖標(biāo)

Company News

Home >>Company News

Current:Company News

Preservation method of bronze powder

Release Time:2015-01-23 16:52:34

Copper and gold powder and its manufactured goods shall be stored in room temperature and dry conditions; bronze powder unused should immediately seal. Otherwise, copper and gold powder long time exposure to the air will be due to oxidation and metamorphism.

LOGO

building B6, Yinlong industrial zone, Longdong, Longgang street, Longgang District, Shenzhen

[email protected]

0755-29168779

About Us

Company Profile

Subscribe Us

圖標(biāo)1 圖標(biāo)2 圖標(biāo)3 圖標(biāo)4

CopyRight © 20104ymjcolor.com.cn All Rights Reserved. Shenzhen Yumingjie Pigments CO., LTD.

網(wǎng)站ICP備案號(hào):粵ICP備12062638號(hào)-3

Multi terminal browsing

Multi terminal browsing

phone

CopyRight © 20104ymjcolor.com.cn All Rights Reserved. Shenzhen Yumingjie Pigments CO., LTD.

Hotline: +86 755-29168779,83869698,83869338,33133998,89753558,28366306,89906647  E-mail:[email protected]