4 Inch Api 5ct Couplings Oil Transportation Seamless Casing Pipe

J55 K55 Casing Coupling , Coupling Pipe Fitting Both Side Threaded

Couplings are used to connect two joints of coupling or casing pipe together.
Couplings are short length of heavy wall pipe with the same threads on each end.
EASTSUN manufactures coupling and casing coupling strictly comply with API 5CT latest standard.

Welcome to EASTSUN GROUP

With the subsidiaries of WUXI EASTSUN TRADE CO. LTD and JIANGSU TAISHUN ENERGY TECHNOLOGY DEVELOPMENT CO., LTD. Founded in early 2003, the company is a new, modern and professional oil pipe manufacturing enterprise. In order to meet the increasing demand of customers for products and services, the company moved its production area to Guangling Town, Taixing City in 2011. At present, the total area of the production area is 12600 square meters. With 68 CNC machines, the annual production capacity is expanded to 30 million output value. Th main products are: seamless steel pipe, oil tubing and casing, coupling and pup joint, etc. Products are exported to Europe and America, the Middle East, India and Pakistan, Southeast Asia and other countries. With advanced technology, modern equipment, strict management and reliable quality, the company enjoys a good reputation among customers all over the world.

The company has a work team with strong technical force, good ideological quality and high cultural level. The quality control and testing facilities are complete. The company actively promotes ISO9000 and API management, follows modern enterprise scientific management mode, strictly controls product quality, constantly improves production process, actively develops series of products, and grows rapidly and healthily within the recent decade.

The company has always carried out the enterprise spirit of people-oriented, honesty and pride, realistic innovation, unity and dedication, mutual benefit and win-win. While creating material value, the company promotes the basic principles and common values of human society and pursues continuous improvement for a long time. Adhere to the guiding ideology of "REPUTATION FIRST, USER FIRST", serve customers, abide by the contract, and wholeheartedly provide high-quality products and services for customers!