2022.3.23,The company has successfully passed DNV European Pressure Vessel Specification (PED directive) high pressure safety valve certificate, type approval and quality assurance system certification mode. The passing of this (DNV) certification is an affirmation of our existing management system and product quality, which will help the company to continuously improve the quality management level, establish a good corporate image and reputation in the market competition, and provide a strong guarantee for the company's high-quality development.