We are a buying office in Hong Kong for our smelters China. In Kong, we mainly on doing the procument job factoires China, Zinc materials include zinc dust, slag, steel EAF and also copper clement, sludge, ore. Other than copper, request lead ore, antimony ore ...

Hong Kong Double-Happiness International Trade Co., Limited is an international import & export company with the product range as follow: --Interior Exterior Doors: solid wood doors, semi-solid PVC-MDF HDF molded aluminum steel-wood interior steel ...