We are professional factory only more than 40 employees and 20 years of work experience.Fastener lovers Owned quality control equipment:Rockwell-hardness tester,Vickers hardness tester,dimensional projector, tensile machine,torsion meter,salt-mist tester andcenter shaftmeter.Fastener lovers supply capacity:apart from our own pro-duction capacity,we also have 177 high-quality strategiccooper-ation partners,and can promptly provide service for you.