Tin, cobalt gun color wholesale, sulfur-gun color brighteners manufacturers, Shenzhen sulfur-colored gun manufacturer

Tin, cobalt gun color wholesale, sulfur-gun color brighteners manufacturers, Shenzhen sulfur-gun color manufacturer 13676661868 Shenzhen sulfur-free tin-cobalt gun color brighteners Profile HL- sulfur-type high corrosion tin-cobalt alloy is a special gun color decorative plating technology, high stability of the bath, generally used in the bright nickel or pearl nickel plating, to form a stable distinctive blue-black gun color beautiful effect. Coating is completely free of sulfur, excellent corrosion resistance, very suitable for any black decorative items such as jewelry, jewelry, watches, belt buckles, frames, etc., tin, cobalt gun color brighteners can hang dual roll. Shenzhen sulfur-free tin-cobalt gun color brightener Details: http: //www.dghaolun.com/ Hollen main products: plating additives, nickel plating, acid copper plating, electroplating brighteners, alkaline copper brightener, on behalf of the chromium additives, black chrome additives, electrolysis protection powder, degreasing powder, in addition to oil, electroplating sealers, aluminum dip zinc. Hollen surface treatment material Official website: http: //www.diandu168.com Usually Shenzhen sulfur-free tin-cobalt gun color brighteners customers, please call Miss Zhang Huiqun: 13686661868, mode of transport: delivery, courier or Logistics. If necessary Agent plating additive, electroplating brighteners customers, please visit: http: //www.gdhaolun.net