Our flanges have various standards, among which mainly are German standard, EURO-standard, American standard, Japanese standard and Chinese standard. At present, our company has got the TUV certification, PED certification and ISO9000 certification. Moreover, It has obtained Approval Certificate for Steel Forgings from NKK. LIOYD'S REGISTER, CCS REGISTER and Approved Licenses of Special Equipment(Pressure Pipeline) for Forging Flange. It is the first flange company in the domestic market that has been approved by the TUV head office of Germany and JIS. Currently the company is still applying for the first nuclear grade flanges certificate in the domestic market. We now can produce the largest forgings with the diameter 2.5 meters, the biggest weight 4 tons and below 3000 lbs. All the flanges with DN below 600 are processed in the digital controlled lathes.