• August 03. 2022

Trimming of rubber seals is an essential process in the production of rubber products. The quality of trimming process directly affects the production efficiency and quality of rubber seals. Common trimming methods of rubber sealing ring are as follows: 1. Manual trimming. Manual trimming is the most traditional trimming method, which trims the excess glue edge step by step along the outer edge of...

• August 11. 2021

JST successfully got the authorization of invention patent on a wellhead secondary pack off seal structure in USA by United States Patent and Trademark Office in July, 2021. During the drilling operation and oil and gas testing, the casing head slip hanger is the basic part of wellhead equipment, which is installed at the upper end of casing string to hang casing strings of each layer and seal the...

• April 09. 2021

JST R&D Test Center is cooperating with the Guangdong University of Technology, South China University of Technology. We have material abrasion machine, high and low temperature PR2 test equipment, cryogenic liquid nitrogen -320.8°F(-196 ℃) test equipment and a variety of simulation test equipment.

• June 21. 2021

The NORSOK standards have been developed by the Norwegian petroleum industry to ensure adequate safety, value adding and cost effectiveness for existing and future petroleum industry developments.   The intent of NORSOK M-710 standard and qualification process is to assure that non-metallic sealing material manufacturers have sufficient understanding and experience with the applicable materia...