An industrial chain integrating R&D, manufacturing, purchasing, sales and service


Standard: API Spec7-1, API Spec7-2 and API RP 7G,DS-1 and NS-1.

Size: 2 1/2”~ 6”

Type: Square and Hexagonal

Connection: Upper and Lower  

Hard band: ARNCO series, DURABAND and TCS series. 

Internal coating: TK series, DPC series and TC series


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