1.ISO9001:2000 quality system certificate

2.AD 2000-Merkblatt WO/TRD100 Bolier Pressure Vessel Specification Certificate

3.PED Certificate

4.ISO 14001:2004 Environmental Management System Certificate

5.Manufacture License of Special Equipment People's Republic of China

6.D&B  Certificate

7.Tarim Oil Market Access Certificate

We have all kinds of standard flange such as ANSI/ DIN/ BS/ JIS/UN/ EN etc,and Non-standard flange as your request.