1.Fittings set:long life time and good quality 2 ... .ccc.ISO,TS certificate 3.OEM 4.Extensive use 5.DIN,SAE standand 3,4,7 pieces fittings ... (bolt,axis nut,cutting ring,axis sleeve,connector): we specialize in supply of all types of fitting with good quality and ... Carbon Steel, aluminum, stainless steel,brass and etc. • Machine and Technics:Precision CNC lathe, punch, friction ...