... powderShanghai Polymet Commodities Ltd. is an international commodity trading company specializing in metals, minerals, plastic and chemicals. ... all around China such as Qingdao, Tianjin and Shenzhen cities where near the markets or shipping ports. ... to financial support from ... >> Business Type:Manufacturer, Trading Company, Distributor/Wholesaler Product/Service (We Sell):PVC Resin,High ...