Rokko thinks good quality is accomplished through continuous efforts to produce finished products that give customers greater satisfaction and supply its products without delay. Rokko has never forgotten that some of the products that the company processes may become a part of devices that support human lives. So employees of the company perform assigned duties with honors and prides and Rokko will continue to strive for a better quality of services.

ISO9001：2015 Certification		Standard operation procedures
Rokko obtained ISO9001 certification in March of 2005. The company implemented the ISO recommended tool, “PDCA” (plan, do, check, and action) to achieve the company’s various objectives.		Rokko has worked on maturing its SOP to synchronize its operator’s work performance.

Process Flow		Certified skill tables
A process flow chart is visually available in processes for operators to minimize human errors.		By summarizing certified skills of every operator in a table format, the table helps operators visualize next target skills.

Daily process check books		Measurement tool check sheets
Machine startup checklists are prepared for equipment activations.		Calibrations of every tool are recorded.

Machine based operating cycle time books		In process cleaning check sheets
All machines are maintained based on cycles of operation.		In-process and machinery cleaning activities are recorded consistently.

PH check tables		Small group activity meeting minutes
PH calibration of polishing machines is recorded.		Periodical group meetings are held by process operators and meeting minutes are filed.

Filing list		Temperature and humidity recording
All records are filed properly.		Temperature and humidity are measured and recorded.

Quality management meeting 1		Quality management meeting 2
A quality management meeting is held on a monthly basis.		This meeting is voluntary held based on customer’s needs and requirements.