Company: Tianjin Coupling Heat Treatment Co., Ltd
Description: We are a professional manufacturer of casing and tubing couplings which has already received the API 5CT Certificate. Our products sizes ranging from 2-3/8¨.to 20¨ and have been used by many oil fields both in China and overseas. Besides, we are also a provider of various sizes and standard seamless steel pipe, casing, tubing and drill pipe.
Target Markets: WORLDWIDE - All Regions
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