Shijiazhuang Dongfang Petro-Chemical Machinery Factory was established in 1984, it is a company specilized in custom designing and manufacturing pressure vessels. It obtained the design and manufacture permit for class - D2 and D1 pressure vessels in 1988, manufacture permit for class-A2 pressure vessel in 1998, ASME Boiler and Pressure Vessel Code "U" stamping authorization and certification issued by ASME in 1999 and IS09001 Quality Management System Certificate in 2001 .Dong Fang Petro-Chemical Machinery Factory always fully implements the relevant national regulations and standards and ensures the Quality Assurance System functions normally.All the aforesaid qualifications have passed the relevant re-audits and certificates are renewed accordingly Design service we can offer ASME EN13445 TEMA API650