passed ISO9001:2000 by LLOYD,got approval from DNV. BV. TUV.CCS.ABS.RINA, and acquired a series of certifications such as PED97/23/CE/1997. To ensure leading position of product quality in foreign stainless steel pipe industry, the Group has brought in German-exported direct reading spectrometer of Model OBLFGS2000,Uturasonic defect detecting system and eddy current testing machine,WE300A universail material testing device, hydrostatic testing device,etc.