1999-Manufacture Start as a family-owned factory deal with standard nuts.Located in haiyan,200 miles away from Shanghai. 2005-Trade Company With an increasing demand to expand product offering. YZB was build as a medium.Began to purchase and distribute bolts,screws and washers as well as nuts. 2010-New distribution center In order to cut down on freight cost and lead time to customers new warehouse was opened. Begainning to do value-added services and secondary process such as custom packing and VIM. TODAY We remain committed to provide One-Stop Services from design, production, to logistics. We play as a trusted partner in the hardware industry in the long run. Since 1999 YZB have continuously improved on technology and the quality of our products, invested massive resources in product development, moving toward becoming a diversified company of manufacturing service provider. We also pursue high standard and consistent production process and services. Meanwhile, we listen to our partners' needs around the world. YZB totally engaged into manufacturing and stocking fasteners according to latest industrial standard and specifications.These includes fasteners products covered under DIN,ISO,ASTM,IS&British Standards.