We create a permanent detailed electronic file for each product of each customer. From the development of the product to each shipment after the mass production, detailed records of the history of quality problems, solutions, and process improvement of each product are recorded. Convenient customer's retrospective inquiry at any time.

      We also set up electronic files for our customers' molds, tooling, inspection tools, etc., record each maintenance and changes in detail, and perform maintenance and management in accordance with the time window.