No 9/28. International Finance Center, centre, Hong Kong. Hong Kong,
Hong Kong Cheung Hing International Company Limited (HKCHI) is the leading company in business of tungsten, Cobalt, Nickel and Rare Earth Elements recycling.Hong specializes recycling Tungsten Spent Catalyst, Scrap, Carbide hard scrap,High Speed Steel ...
tungsten scrap, tungsten spent catalyst, tungsten powder, cobalt powder
