Three main segmeuts play its role:

• 	Incoming Quality Control (as dimension of raw material)
  	In Process Quality Control (as engineering spec.)
  	Outgoing Quality Control (as final inspection)

QC procedures are integrated into each stage of production to guarantees standardization and stability of products.

Good tools are prerequisite to the successful execution of a job. If a workman wishes to do a good job, he must first sharpen his tools. Therefore, equipment maintenance, including operation manual and periodic inspected program, is the key factory of quality inspection n accuracy. We commit ourselves to providing satisfactory products with good quality, competitve price, and perfessional service to our customers.

Hardness testing is performed during and after the heat treating process to accurately measure and constantly monitor hardness values. Jaco contends for consistent hardness and ductility.