QC Profile

More than 30 inspection to ensure the delivery of qualified production to the customer.


The testing includes bending resistance, stretching resistance, torsion resistance, impact resistance, alloy hardness test, steel handle hardness test, metallographic analysis, cobalt content test, cutting efficiency, maximum magnetic torque testing, alloy denstity and other testing procedures.

CHENGDU JOINT CARBIDE CO., LTD. quality control 0


ZIGONG(CHENGDU) JOINT CARBIDE CO., LTD has more than 100 sets Five-axis CNC for carbide burrs, the production process including:

  1. 1. Wet Milling
  2. 2. Drying & Sieving
  3. 3. Suppress
  4. 4. Sintering
  5. 5. Soldering
  6. 6. Polishing
  7. 7. Tooth punching
  8. 8. Polishing
  9. 9. Inspection
  10. 10. Packing

All carbide burrs are soldering by SILVER which is more strength than copper, cause when soldering by silver, the temperature is 800 degree, if COOPER soldering, it's more than 1200 degree. If the tempreature is higher, COBALT is easy evaporation, the shank and head is much strength, it's easy break off.

CHENGDU JOINT CARBIDE CO., LTD. quality control 1

Get in touch with us
Contact Person : Mr. Leo Li (International)
Tel : +86 17713607231
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