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for ten years, the past, present and future of lisheng spring has been focusing on the research and development and production of wave springs and spiral retaining rings, and is committed to providing reliable and satisfactory products to high-tech customers around the world. your inquiry is welcome at any time.
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lisheng ISO9001，ISO13485,IATF16949 technique AS9100 recruitment
single-layer winding corrugated washer is stamped + closure
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