Sonkit Sealing Solutions manufactures metal C-ring and O-ring seals for vacuum, semiconductor, cryogenic, aerospace, and nuclear service. Factory in Shanghai. ISO 9001:2015.
Sonkit custom metal ring seals cover C, O, U, and E cross-sections for one-off and production grooves. We work from a drawing or a sample ring. Typical buyers are vacuum-equipment...
Sonkit cryogenic metal seals are C-ring and O-ring geometries for liquid-nitrogen, liquid-helium, and other low-temperature service. Metal jackets keep load when elastomers go...
Sonkit metal O-ring seals are hollow or solid metal rings for static flange joints in vacuum and high-temperature systems. They sit in a groove and plastically load the flange...
Sonkit metal C-ring seals are spring-energized metal seals for vacuum, semiconductor, aerospace, and nuclear service. The C-shaped jacket gives high seating load and recovery ...