1. According to the company's valve product planning, be responsible for the valve product feasibility research, and form the research report;2. Responsible for project approval, scheme design, organization review, product drawing and BOM output;3. Responsible for the preparation of test plan, prototype assembly, test platform construction, prototype test and review;4. Responsible for the preparation and filing of valve product test report;5. Responsible for the preparation and filing of valve product technical documents and related documents;6. Participate in the analysis and discussion of valve product problems, and put forward improvement plan;Current achievements:1. Participate in the R & D, life test, upgrade, improvement and production transfer of the company's 35MPa hydrogenation gun; (familiar with LNG, H2, CNG gas properties, hydrogenation gun and hydrogenation station domestic and foreign standards).2. Complete the R & D, design and test of LNG vacuum tank check valve project;3. Complete 35MPa breaking force test and improve related materials to solve the problem of excessive breaking force once;4. The preliminary verification test of 70MPa pull off valve was completed;

From July 201707 to March 201903, I worked as a mechanical equipment engineer in Bridge Engineering Co., Ltd. of China Railway First Bureau Group. According to the on-site construction and production tasks, I formulated the maintenance plan of the equipment, and was responsible for the daily inspection of the on-site special equipment, solved all kinds of problems of the on-site special equipment, and replaced the aging parts, so as to ensure the normal operation of the on-site equipment. During his tenure, he independently completed the preparation of the installation and removal scheme of special equipment at three construction sites; assisted the site personnel to complete the installation and commissioning of special equipment at two construction sites; contacted the relevant government supervision departments to successfully complete the supervision and inspection of special equipment at two construction sites; participated in the transformation of two special equipment, completed the relevant drawing drawing and strength check; regularly inspected the site Since taking part in the work, the total cost of inspection and maintenance has been saved for the company, totaling more than 10000 yuan.