Except standard API grades of tubings and couplings, we also can produce special grade sour service and air tight couplings.
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We have two casing manufacture lines in Japan and China, which can produce 200,000 metric tons casing pipes each year. The maximum OD is 20". Casing |
| We have two casing manufacture lines in Japan and China, which can produce 200,000 metric tons casing pipes each year. |