★Significantly longer service life
He state of all steel made by the level of high carbon steel, after quenching and tempering treatment; And the axial arrangement,trace metal particles and processing forming metal fibre. So, fabric fiber slide around the steel needle, it will not cause wear and tear.
Add：No. 18, Longshan Avenue, Tongtang Village, Xixi Town, Yongkang City, Zhejiang Province
Postal：321309 Tel：0086-579-87401996
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Email：ljj@ldfq.com lida@ldfq.cn WebSite：www.ldfq.com
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