Carizan Pich Gostar company monitors all products based on ISO9001:2015 quality management system and this monitoring takes place in three stages:
1- Input control
2- Process control
3- Final product control

1- Input control:
All incoming raw materials for the production of bolt and nut products are subject to control and functional and dimensional tests based on the relevant standards and are matched with the defined acceptance criteria and are used in the production processes if approved.
Steel wires such as low carbon and medium carbon and alloy are examined in terms of tensile strength and hardness measurement and metallographic structure to check the formability and hardness measurement after the hardening operation for hardenability and other parameters.
This company tries to choose the best raw material suppliers by evaluating them
2- Process control:
All production processes are continuously controlled based on the defined control plans so that the final product is produced according to the customer’s requirements, in this regard, Carizan Pich Gostar company prevents the production of any non-conforming products based on a documented and continuous method.
Therefore, it tries to improve the quality of its products by controlling the production lines continuously and regularly during production. These controls include the operator’s self-control and quality control unit’s in-process controls
3-Final product control
In addition to the above controls, after the completion of all processes, the products are again controlled by the quality control unit according to the items mentioned in the product control plan in order to ensure the quality of the product and to issue a packaging and shipping permit.

Process risks:
Carizan Pitch Gostar Company has put risk-based control at the top of its work and has identified all the risks of its production processes according to the probability of their occurrence and severity and has defined the appropriate action to prevent or reduce the risk.

Quality objectives:
In order to monitor its performance, this company has defined quality indicators and has made efforts to reach the defined goals its top priority.