Qingdao Tongsan Plastic Machinery Co., Ltd. location : jiaozhou ,Qingdao ,China (45 minutes from Qingdao airport to our company by car) established in 1997 main product: Single wall corrugated pipe machinery PE water & gas spplying machiery PVC water supplying machinery PVC profile machine WPC turnkey project wood milling machine - wpc granulating machine -wpc profile machine / WPC door board machine /WPC foamed board machine -surface treatment machine export port ...   |