We have been specialized in R&D of silicon
 carbide material and production of silicon
 carbide seal rings for 23 years.
Silicon Carbide Rings of Contacting Mechanical Seal
This is for the Contacting Mechanical Seal that the seal faces are close fitting. Silicon carbide seal ring is high-performance friction pair material with the characteristics of high hardness, wear resistance, corrosion resistance, high temperature resistance, low friction coefficient, self-lubrication, etc.
Silicon Carbide Rings of Dry Gas Mechanical Seal
This is for the Non-contacting Mechanical Seal that the seal faces don't have the direct solid friction. Dry Gas seal ring has the characteristics of high strength, high hardness, high temperature resistance, high thermal conductivity, low expansion coefficient, high linear velocity, etc.
Silicon Carbide Rings of Split Mechanical Seal
This is for split mechanical seal that saves installation time and decrease the workload. We use the professional ring split technology to ensure no damage to cross section of the products so the cross sections can be fitted closely for the split mechanical to run smoothly.
Silicon Carbide Material
Joint Power Shanghai Seals Co.,Ltd.
Joint Power is a manufacturer founded in 2001, located at No.333, Yuantai Road, Baoshan District, Shanghai, covering an area of 30,200 square meters with complete production lines of silicon carbide seal rings, employing 298 people.
  Business philosophy is "Practise Business in Virtues, Treat Integrity as Treasure".
  Joint Power is the global strategic supplier of John Crane.
  Products have obtained certificates of US FDA, EU REACH, RoHS, EC1935 and UK WRAS.
Joint Power obtained Management System Certificate: ISO9001:2015, ISO14001:2015, ISO45001:2018
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