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Joint in stock
#1
TEDA Special Pipe CO., LTD. 's casing collar is produced according to API 5CT standard.The steel grades are H40, J55, K55, M65,  N80, L80, C90, T95, P110, Q125.The outer diameter of oil casing is from 4 1/2 "to 20".
website:http://www.chinateda.com/joint/
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