stone bridge in the card welding materials are widely used in ship, high-rise buildings, boiler pressure vessels, bridges, railways, locomotives, petroleum, chemical, metallurgical and other areas of the national economy. Our production of welding materials in addition to meet the needs of the market at home and abroad, are exported to foreign countries, in domestic has passed ISO9001: 2000 international quality system certification, products are mainly through the recognition of multiple factories in China, Britain and the United States, France, Germany, Japan and other. The company is approved by the State Economic and trade department has the right to export production enterprises.

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