| hlfastener.com | |
| 网站标题： | HOME|Screw|Bolt|Nut|SteelStructure|Gasket|-Hanglong Fastener |
| 网站简介： | *ed in 2009, Shanghai hanglong Industrial Co., Ltd. is a high-tech enterprise focusing on the processing of high-strength fasteners. It is mainly engaged in the R & D, production and *s of wind power bolts, steel structure bolts, other non elevation strength bolts and studs and various springs. |
| 关键字： | Bolt nut outer hexagon bolt inner hexagon bolt set screw flange bolt movable joint bolt eyebolt special-shaped bolt stud screw tooth bar flat washer spring washer other washers hexagon |
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