Proceso de dar un título | ASTM A234 butt weld pipe fittings,A182 forged pipe fittings,B16.5 weld neck flange,API 5L seamless pipes

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Haihao Group: Hebei Haihao High Pressure Flange Pipe Fitting Group Co fue fundada en 1982, ubicada en el condado de Mengcun-la ciudad natal de accesorios de tubería en China.

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Proceso de dar un título

Haihao Group Be awarded API approval In 2011

Haihao Group Be awarded API approval In 2011

Haihao Group Be awarded ISO9001: 2008 approval

Haihao Group Be awarded ISO9001: 2008 approval

Haihao Group Be awarded PED (Pressure Equipment Directive) 97/23/EC Certificate

Haihao Group Be awarded PED (Pressure Equipment Directive) 97/23/EC Certificate

HEBEI HAIHAO ABS DESIGN CERTIFICATE

HEBEI HAIHAO CNPC APPROVED CERTIFICATE

HEBEI HAIHAO INTERNATIONAL STANDARD CERTIFICATE

HEBEI HAIHAO MANUFACTURING LICENSE OF PRESSURE EQUIPMENT