Comrade Yu Huanqing is currently the head of the Welding Equipment Design Section of the Construction Machinery Branch. For the company's mechanical design engineers, with solid professional theory and rich practical experience, master a set of scientific high-tech product design and development technology, as well as project implementation management technical knowledge. The comrade can independently carry out the design, development and project implementation and management of new equipment and new production line projects of various mechanical engineering, and can solve major technical problems in the process of design, production, installation and commissioning of engineering projects, with high design. And research and development capabilities, and can guide other employees and coordinate departments to work. Since his inauguration, the comrade has undertaken the design and development of a number of categories, different structural forms, automated production line equipment using the latest technology, and heavy equipment. He has obtained 4 invention patents, 9 utility model patents, and more than 10 papers. He participated in the compilation of CECS 291-2011 "Technical Regulations for Corrugated Web H-beam" and won the title of "Double Love Double Excellent" in Zhejiang Province. He has been rated as “Excellent Newcomer”, “Advanced Worker”, “Technical Model”, “Technology Star” and so on.