Jiede Pipeline is an outstanding enterprise in Longwan District, Wenzhou City, Zhejiang Province and it is an enterprise with Class AAA bidding credit and a Class 3 work safety standardization enterprise. Moreover, the company has also acquired the Class A Manufacture License of Special Equipment (TS); it has been certified by the Quality Control System ISO9001:2008; it has acquired the EU Pressure Equipment Material Certificate PED 97/ 23 / EC AD2000; ；