API CASING COUPLING STOCK BLANKS CHINA MANUFACTURER SUPPLIER EXPORTER PIPES COUPLINGS BLANKS
The main business area is in the oil cementing accessories, other products as a supplement. Products are mainly API 5CT tubing couplings, casing couplings, J”H40 PUMP COLUMN COUPLING, T”H40 PUMP COLUMN COUPLING, short joint, tubing, casing, pup joint, geological drill pipe, iron pipe head, floating collars, floating shoes, thread protectors, etc. For API 5CT tubing couplings & casing couplings, the specifications are from 2-3/8 to “20″, and the steel grade is from J55 to Q125, covering all full series and steel grades.
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