The research project of wellhead device was issued to start in 1995, and the prototype manufacture was completed in September 1997. This wellhead device, which was made as type KY103-35 , passed the strict test on March 31st,1998.

          It is furnished with the twin groove lip type rubber sealing to seal connectors, and is suitable for offshore oil field with RP(rated pressure in work) of 35Mpa (15000Psi). 

        We are applying for the  state certificate for this product. The annual output can reach more than 30 sets.