In accordance with the ISO9001 quality system requirements, a sound quality management system has been established, a three-inspection system combining self-inspection, mutual inspection, and special inspection has been strictly implemented. On the basis of the detection of the seven major elements of materials, the physical performance testing of pipes (pieces), The connection performance test, pressure inspection and finished product appearance inspection effectively prevent the unqualified products from flowing into the next process.

The quality department is responsible for the quality control of the product from design to delivery, which lays a solid foundation for achieving the goal of zero defects in production. At the same time, the company established an environmental management system in accordance with the requirements of the ISO14001 environmental management system, thereby achieving environmentally-friendly production and healthy living.