Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.
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Haihao Group
Hebei Haihao Group acquired world class approved certifications like the API ,ISO9001, ABS ,BV ,DNV ,RMRS ,RINA and we keep the cooperation with many professional third perty inspection agencies,such as the SGS,BV,LR,VELOSI etc.
 ABS Certificate |
 BV Certificate |
 DNV Certificate |
 RINA Certificate of Haihao Group |
 RMRS Certificate |
 API Certificate of Haihao Group |
 ISO 9001 Certificate |
