L/C, T/T, Western Union
10-50000pcs/month
15~45 Days
Safety Packing
Wolfram Carbide Sleeves
Oil and Gas Valve Seat
100% Virgin Tungsten Carbide, Wolfram Carbide and Cobalt
Φ25x18mm Customized, OEM Accepted
Finish, Rough Grinding, Polished Grinding
YK05/YK06/YG8/YG20,YG11,etc
Trapezoid, cylinder