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WHO WE ARE

Joint Power Shanghai Seals Co., ltd.

Joint Power Shanghai Seals Co.,ltd. 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. We have been specialized in R&D of silicon carbide material and production of silicon carbide seal rings for 21 years.

"Practise Business In Virtues, Treat Integrity As Treasure" is our Business philosophy. 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 has been recognized as "Shanghai High-Tech Enterprise" for 17 consecutive years. In 2020, Joint Power participated in the formulation of the industry standard on "Technical Conditions of Silicon Carbide Sealing rings for mechanical seals" (JB/T6374-2020) led by China Mechanical Seal Standardization Technical Committee. 5 authorized inventions and 45 utility model patents for our products are obtained during R&D.

Joint Power obtained Management System Certificate: ISO9001:2015, ISO14001:2015, ISO45001:2018.

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WHAT WE DO

Our products include

Customization service

Help customers choose the most suitable silicon carbide material according to the working condition of mechanical seal.
Customize silicon carbide seal rings according to customers' product drawings.
Ensure the delivery date is accurate through the evaluation of order requirements from customers.

Superior product performance

The products have excellent material performance such as high hardness, high strength, wear resistance, corrosion resistance, high temperature resistance, low friction coefficient, self-lubrication, low coefficient of thermal expansion and high thermal conductivity, etc. The products are suitable for the working condition of high temperature, high speed, high pressure, strong corrosion, strong acid and alkali, semi-dry friction, instant dry friction.

Global market recognition

Products have obtained certificates of US FDA , EU REACH, RoHS, EC1935 and UK WRAS, being widely acclaimed and recognized in 42 countries around the world. Customer's satisfaction is our greatest honor.

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Home

About Us

Company Introduction

Corporate History

Team Introduction

Corporate Culture

Material

Reaction Bonded Silicon Carbide(SJP-RB)

Sintered Silicon Carbide (SJP-SS)

Graphite Loaded Sintered Silicon Carbide(SJP-SG)

Porous Silicon Carbide(SJP-SP)

Products

Silicon Carbide Rings of Contacting Mechanical Seal

Silicon Carbide Rings of Dry Gas Mechanical Seal

Silicon Carbide Rings of Split Mechanical Seal

Service

Properties of Silicon Carbide

Corrosion Resistance Table

Microstructure Image

Certification

FAQ