Shanghai JIAHE Precision Tungsten Carbide Co.，Ltd ，is a major manufacturing enterprise of various high quality and high precision of tungsten carbide products and diamond products。 "JIAHE" brand main products： （1） Tungsten carbide products： Blank，Wire drawing die ( round hole，square section，rectangular section，hexagonal section )，Straightener guide， Twisted line die（steel and copper），Bushing，Scalping cutter，Cold punching die and cold heading die， Rolls for reinforcing wire（PR，FO，CA，RO，RT），Nail tool ( punch，cutter，gripper )，Other tungsten carbide wear resistant part and pressure part 。 （2） Diamond products： Wire drawing die（ND，PCD），Scalping cutter Main manufacturing equipmen： （1）Accurate angle and internal diameter grinding machine （2）Accurate internal and external grinding machine （3）Ultrasonic internal diameter grinding machine （4）Automatic internal diameter polishing machine （5）Accurate surface grinder