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Shaanxi Sirui Advanced Materials CO., LTD was established in 1995. Sirui is professional in the production of Cu-Cr (VI), Cu-W (SF6) and Cu-Cr-Zr alloys, short circuit ring/ bar and shrink ring, metal chromium, the electrode products, as well as the key components and assemblies for medical X-ray tubes. These products are widely used in the circuit breaker, wind power, motor, high-speed railway, aerospace, oil and gas, injection mold, shipbuilding industry, 3D printing, automobile, vacuum sputtering, healthcare industry etc. Our company has had annual capacity of 8 million pieces of contact materials and now has been the largest vacuum contact materials manufacturing base in the world. Sirui is located in high-tech zone in Xi’an, and has a registered capital of 9.23 million USD and cover an area of more than 50,000 m2, including more than 40,000 m2 of building area. Sirui possess more than 700 facilities for various manufacturing and testing.

Sirui main products:

1. Contact materials in copper-chromium and copper-tungsten (CuCr10~CuCr50 and CuW) for vacuum interrrupters.

2. Contact material CuCr, copper conductor and arcing contacts for high voltage circuit breakers, CuW for SF6 switchgears.

3. Short circuit ring/bar and shrink ring used in high speed train motor.

4. Wedges hollow, precision casting, damper segment and other copper parts used in generators.

5. Welding electrode for cars.

6. Chromium powder block with high purity and low gas .

Besides our existing products, Sirui also can produce products based on Cu & Cr according to the drawings or samples from our customers. We control the product quality strictly for every step during the manufacturing from cu-cr small electrode cap to large parts of railway locomotive rotor. We offer technical support that is second to none.

Manufacture Materials based on Cu & Cr use are widely used in the following industry, such as:

1.power transmission and distribution.


3.automobile industry.

4.wind power.

5.aviation,aerospace and nuclear power industry.

Sirui has been certified by ISO9001:2008 quality system, ISO14001:2004 environmental management system, OHSAS18001:2007 occupation health safety management system, IRIS:2009 international railway industry standard, ISO/TS16949:2009 quality system and TPG-HT. Sirui has been the largest professional manufacturer of Cu-Cr alloy materials,the products have been provided to all over the word. Market share in domestic up to 74.5%, and mainly sold to USA, Canada, UK, France, German, Italy, Turkey, Russia, Japan, Korea, India, Malaysia, and so on. Sirui has set the strategic cooperation relationships with Schneider, Siemens, Toshiba, Hitachi, ABB, Bombardier, Alstom.

Sirui has been honored as “High-Tech Enterprise”, “Provincial Enterprise Technology Center”, “Provincial Postdoctoral Innovation Base”, “Provincial Enterprise Growth Star”, “Little Giant of Technology in Xi’an”, “Top 20 of Small and Medium-sized Enterprises in Xi’an”, “High Growth Business in Xi’an”, “Municipal Outstanding Technology Center”, “Star Enterprise of Strategic emerging industry in High-Tech Zone”in 2013.

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