... Seal faces,shaft bush/sleeve,wearing bush, and other parts for pumps3.Sandblaster nozzle, refractory tile, valve parts,and other partsCovers ... Lines: Granulation-compression moulding-sintering-grinding -finishing and finingthe inspection for each step of the production is conducted strictly.Any questions ... I received it next day. Silicon Carbide (SSIC/RBSIC)Static/Rotary Ring For Mechanical Seal