hanghai On-FastenerManufactoryLimited which was set up in 2000,has been developingrapidly from the beginning of the production of the woodscrews upto the series of the over 100 various kinds of screws which aresold well both at home and abroad,and for 4years it has beenrewarded as A-grade enterprise by the company..The factory have 60000 square meters,this is abig factory,you can trust us. The company has an independent heattreatment workshop, surface treatment workshop, the formationof one-stop production lines.
