This large-scale control valve with international leading level is used in my country's 1500-meter underwater deep-sea oil production project. As the leader of the design and manufacturing team, Ma Yushan has devoted ten years of hard work to this.

Wu Zhong Instrument Co., Ltd. Party Secretary Ma Yushan:This valve it is very difficult. The surface should be very hard, similar to the high hardness of diamond, and the service life can reach 20 years.

Deep water high-end control valve products are the key equipment of deep-sea oil production projects, China has long been dependent on imports, restricting the development of deep-sea oil and gas fields. In order to break the foreign technology blockade, Ma Yushan led the team to lead the research. After more than 8000 repeated tests, he finally designed and manufactured my country's first deep-water 1500-meter high-end control valve. At present, the equipment has been installed and tested in the sea and is being put into use.

Wu Zhong Instrument Co., Ltd. Party Secretary Ma Yushan:He set himself a goal, and eventually (products) will compete with developed countries in Europe and America. After you have identified your goal, you will concentrate on every key project.

For more than 30 years, as a party member, Ma Yushan has always regarded the needs of the country as his goal. In the domestic pump valve industry, a large number of technical personnel loss, the high-end market is almost monopolized by foreign products, he resolutely chose to stick to, led the team to obtain more than 440 invention and utility model patents, overcome a number of "stuck neck" difficulties.

Wu Zhong Instrument Co., Ltd. Party Secretary Ma Yushan:(I will) devote more efforts to lead the team, and finally achieve the world leader in the field of control valves, especially high-end control valves.