| Our own factory-TIANJIN KAYJILL METAL PRODUCTS CO.,LTD, which specially manufactures spring steel wires/bars,including oil tempered and quenched alloy spring steel wires, cold drawn spring steel bars,carbon steel wire according to different standard EN10270-1, EN10270-2 , JISG4801 ,SAE9254,etc. We have the most advanced production lines and the most advanced laboratory equipment in China, and our annual capacity is 40000-50000mt per year. We focus on quality and service provided for customers at home and abroad
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