On July 10-12, China International Aluminum Industry Exhibition was held in Shanghai New International Expo Center. The event attracted many benc…
Time:2019-07-18
![[environmental protection series] chromium free spray pretreatment series](static/picture/3571d99a8008a67d.jpg)
LW-19 chromium-free passivation additive is a kind of colorless transparent and environmental protection additive. It applies the composite metal salts to …
Time:2019-07-15
![[Haihua technology] on the first day of Shanghai exhibition, all you need to see are here!](static/picture/5359abed985115b4.jpg)
Foshan Haihua Surface Treatment Technology Co.,Ltd., founded in 2005, is an aluminum alloy surface treatment additives production enterprises …
Time:2019-07-15
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