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Roc-Master is certified by TUV to manufacture Stud bolt and Heavy hex nut according to NORSOK standard M-650.

10 March 2025

Roc-Master is certified by TUV to manufacture Stud Bolt and Heavy Hex Nut according to NORSOK standard M-650. Material Designation: UNS S32760 ASTM A1082/A1082M

RocCLAD is a leading global supplier of CRA weld overlay clad pipelines, prefabricated pipe spools, subsea pipeline connectors, bends, fittings, valves, RocLok Clamp Hub Connectors and all types of corrosion-resistant coated fasteners. Meanwhile we also provide integrated piping solution as well as internal and external anti-corrosion services.

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Clad Pipes
Clamp Hub Connector
RocFab
Fasteners porducts
Clad bends
Clad Forgings
Clad Applications
Rocfab Clad Pipe

Roc-Master Piping solutions Ltd. (Suzhou)
Roc-Master Piping Solutions Ltd. (Xuancheng Plant-I)
Roc-Master Piping Solutions Ltd. (Xuancheng Plant-II)
Roc-Master Piping Solutions Ltd. (Ji’an)
Faith-Han Intelligent Technology Co., Ltd (FITCO)
Suzhou Normal Testing Technology Co., Ltd.
Roc Master Piping Solutions Trading Ltd.
Roc Clad Industrial Technology Co., Ltd.
Roc-Master Piping Solutions Ltd. (Jiangyin)