BEIJING JIANKE HUIFENG SCIENCE & TECHNOLOGICAL HAS A TRADITION OF MORE THAN 30 YEARS AS A GLOBAL LEADER FOR HYDROSTATIC PIPE TESTING MACHINE AND HYDRAULIC SEALS TECHNOLOGY .JKHF was established in 1992 with 80 employees, 16 engineers and technicians and 8 senior engineers& 9 quality controller. We have over 35 various type of processing equipment and 30,000 Square meters of manufacturing base.We stand for enduring quality and outstanding productivity . Years of experience , competent employees and latest technologies permit us , together with our customers , to achieve excellent results .Our products mainly include D-type gap sealing ring ; C-type gap seal ; NM sealing element ; U type seal ; P-type flat pad face seal ; Slip ring combination seal ; Flat selaing ; V-ring ; Foot type sealing element; Z-type car ring up; Set of supporting devices ; Shield machine seal ; Oilfield fracturing pump seals ; Teflon material ; Scroll compressor seal; Full section TUNNEL boring machine seal and others.We have developed 20 series and 1000 sizes of mechanical seals. The technology to achieve the international leading level, and undertake various non-standard seal of the development and the production.