- Sirada Development Co.,Ltd
- Copper Ore, Copper Cathode, Copper Sludge Residues.
- Address:1/138 Popular 5 Street, Bangpood Sub-district Parkkret Nonthaburi 11120 Thailand
- HONG XIN NONFERROUS METALS CO., LTD.
- Zinc Ash,Nickel Sludge,Tin Ore,Copper Scrap,PC Board,Zinc Ash,Nickel,Tin.
- Address:1558 / 86 Baan Klang Krung-BangNa, Bang Na
- Global Mart Co., Ltd.
- Copper Cathode, Nickle Sludge, Iron Ore, Copper Ore.
- Address:135/566 Rewadee Rd.
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