Main Exhibits:The main products include cemented carbide rings for mechanical seals; cemented carbide nozzles, bushings, plungers, orifices, balls and seats for oil well control; cemented carbide rods and plates; wear parts for cigarettes and packaging machinery; Tungsten gold non-magnetic jewelry, cemented carbide cold heading mold, cemented carbide rotary file, etc. And the customization of various non-standard special-shaped parts.