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We sell Petroleum Coke all grade calory.
Company Hebei Borun Steel Trade Co., Ltd Product Name Seamless steel pipe Process f...
FROM 1.09 "-20" Standard according to API 5CT Length Random length, o...
API 5CT J55/K55/N80/P110 Casing Coupling 4 1/2" to 20" Api Casing Coupling ...
Petroleum geological seamless tube Company Hebei Borun Steel Trade Co., Ltd Product...
API 5CT 13Cr P110 Seamless Steel Ape Tube Oil Casing Pipe China Wholesales l80 13cr p...
factory supply hot rolled fox tube api casings pipe Standard API 5CT/ ISO11960 Grade...
Geological drilling steel pipe of drill pipe or drill collar product name Geological...
2 3/8"-20" API 5CT tubing and casing Coupling and Connectors for oilfiled Api Casing ...
API Standard drill pipe application casing pipe casing pipe,pipe casing,well casing ...