Tubing and casing pup joints are machined according to the latest version of API SPEC 5CT. The steel grade includes J55,K55,N80-1,N80Q,L80-1,P110,etc. There are two types of thread widely used in tubing pup joint namely Non-upset thread(NU), External- upset thread(EU);
Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC).
Our testing and inspection method system is complete, using a whole set of thread instrument to inspect taper, pitch, tooth, height, tooth type,etc. The products have passed the identification of china petroleum pipeline. Quality supervision ,inspection and testing center and gained the unanimous praise from the customers.
Api 5Ct Tubing Pup Joint,Pup Joint Coupling,Perforated Pup Joint,Casing Tubing Pup Henan Dongfanglong Machine Manufacture Co., Ltd , https://www.eastlongmachine.com
Vietnam Loans help SMEs use energy-saving equipment
On the 25th, Vietnam Technology Bank signed a loan agreement with World Bank member IFC. IFC provided a loan of 25 million U.S. dollars to the Bank of Vietnam Technology Bank. The bank’s matching funds were 25 million U.S. dollars, totaling 50 million U.S. dollars. The bank will use the funds to provide long-term loans to SMEs, help them replace energy-saving equipment, expand production, and reduce emissions.