Strict screening of raw materials: Each batch of raw materials can only enter the production process through testing.

Strict process control: In the production process, detailed operation specifications and quality standards are set for each process, and production workers must operate strictly according to the standards.

A variety of testing methods: We have our own independent laboratory, equipped with advanced testing equipment, comprehensive testing of various performance indicators of oil seals.

Strict testing standards: Strict testing standards are formulated, and a clear passing range is set for each performance index.