... .Surface handling:zinc-coated or powder-coatedQingdao Yuanyuan Ironwork Co., Ltd., as one Sino-Foreign joint venture enterprise, ... welding plate, pressing, lathe and planer. Depending on advanced equipment, our company can process and manufacture metal holding tank, ... for visits and guidance.Company Name:Qingdao Yuanyuan Ironwork Co., Ltd.Street Address:Nanguan agency,JiaoZhou country,QingdaoCity: ...