Dongguan Siwei Chemical Co., Ltd is located at Longbeiling neighborhood committee, Tangxia town, Dongguan city. Founded in February, 1995, Siwei now is a hi-tech company specializing in selling Metal surface treating agents and pre-treatment chemical material of plating, including degreasing agent, phosphatizing film agent, paint removers, derusting agent, antirusting agent, Aluminum copper polishing compound, and so on. Our main businesses include: providing treatment agent for the paint bakin...
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