SLETPETRO has been committed to product development and manufacturing. The company started the research and development of core components of 140MPa plug valve in 2017. The seal segments are made of Timken E4715, superior density and structure are obtained by forging. In March 2019, our seal segments are processed into finished products through 10000 hours of grinding. After testing on the CMM, the dimensions and specifications fully meet the design requirements. After assembly, all aspects of the whole machine are tested, and all parameters meet the design requirements.