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resource LED series of linear wave strips (BOE)front page led jinan spiral retaining ring /by LED "wave spring" zhejiang manufacturing group standard seminar was held in the lisheng spring conference room. the seminar brought together many experts and leaders to discuss and formulate "made in zhejiang" group standards for wave springs to further promote the development of related industries.

www.hbxfwykj.com lisheng 2025-03-14