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Ruisu company is strength fastener production,research and development,sales as one of the professional enterprises.The company has a number of high-speed multi-station cold-heading machine,hihg-speed rolling machine, drawing machine, feeding machine, rolling machine, bending machine,punch,CNC lathe and ather advanced equipment.The company covers an area of 8000 square meters,has more than 100 employees,professional technical team, more than 50 sets of various production equipment.

British standard bolts、 American standard bolts、German standard bolts,、high strength bolts、 hot dip galvanized bolts、studs、nuts，lengtheningbolts， nuts， customizedspecialparts；
The grades are:4.8、8.8、10.9、12.9
Materials used::Q235B、35#、45#、10B21、40Cr、35CrMoA,etc.