... plastic lg pvc resin 2.received ISO900,SGS,14001 3.smooth surface,aging resistant 4.any color is available rigid pvc granules ... 4.standard:3A.ISO9001:2008,14001,SGS,famous brand in China 5.feature:without odous,environmental friendly,heat preservation, ... [about us]Kunming Dushunlai Economic & Trade Co.,Ltd,--established in 2002, is a professional chemical products manufacturer and supplier.Our ...