Although our main business item is for the normal acid zinc-plated metal
Although our main business item is for the normal acid zinc-plated metal, We devoted to develop Trivalent Chromate-Black, Trivalent Chromate-Green Dye, Trivalent Chromate-Blue Dye, Trivalent Chromate-Red Dye, Blackish Green etc.And can be adjusted according to customer's requirements.
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Trivalent Chromate-Green Dye
/96 hours without white
rust；288 hours without red rust
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Hexavalent Chromate Blackish Green
/96 hours without white
rust；288 hours without red rust
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Hexavalent Chromate Yellow
/ 96 hours without white
rust；288 hours without red rust
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Trivalent Chromate(Normal)
/96 hours without white
rust；288 hours without red rust
Trivalent Chromate
/96 hours without white
rust；288 hours without red rust
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Trivalent Chromate-Black(Normal)
/96 hours without white
rust；288 hours without red rust
Trivalent Chromate-Black
/96 hours without white
rust；288 hours without red rust
Trivalent Chromate-Primary Yellow
/96 hours without white
rust；288 hours without red rust
Trivalent Chromate-Heavy Yellow
/96 hours without white
rust；288 hours without red rust
Trivalent Chromate-Blue Dye
/48 hours without white
rust；96 hours without red rust
200-400MM SCREW specify color with customer
/96 hours without white
rust；500 hours without red rust
75-199MM SCREW specify color with customer
/96 hours without white
rust；500 hours without red rust
Free Chromate
/8 hours without white
rust；24 hours without red rust
We upholds five quality principles and hold fast to six purposes.We research and development flexibility, compatibility actively, keep on improvement. To ensure our Competitiveness. We’re providing the good working environment, also provide our staff chance to training class to improve our professional knowledge. The above-mentioned are CHING TWU’s AIM.
