91Tool we develop and produce wave springs and spiral retaining rings Tool”, we will arrange the most professional engineer to contact you本"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. +phosphate bronze +,full control...广self-locking spiral retaining ring
www.91tool.com 2023-10-20