Hengyang Valin Steel Tube Co.,Ltd.(hereinafter referred to as HYST) was founded in 1958, it is a subsidiary of Hunan Valin Iron & Steel Group Co., Ltd. It now has 3900 employees with total assets of 13.5 billion Yuan. It is accredited as a high and new technology enterprise, an enterprise with an advantage in intellectual property rights nationally, an enterprise among the top ten enterprises in export business in Hunan Province and an enterprise among the top ten demonstration units in safety in Hunan Province.
HYST is an enterprise with great global influence. Ranked the world’s fifth in terms of scale of production, it has the complete production process of iron-making, steel-making, tube rolling and further processing, and it has the annual capacity of producing 1.1 million tons of iron, 1.7 million tons of steel, and 1.5 million tons of tubes, heat treating 830 thousand tons of tubes and threading 600 thousand tons of tubes. All in all, it is one of the seamless steel tube & pipe enterprises with the complete manufacturing plants, a large number of advanced plant types, and complete product size ranges.
HYST is a manufacturer of special steel tubes. It can produce seamless steel tubes & pipes with a wide range of specifications and varieties, with OD ranging from 24mm to 800mm and WT ranging from 3.5mm to 200mm. It has formed three leading product lines of petroleum and natural gas tubes, pressure vessel tubes and mechanical processing tubes, as well as HS series with proprietary intellectual property rights. These products are widely applied in petroleum, petrochemical, boiler, power generation, machinery, coal mining, chemical, nuclear power and other industries of both domestic and oversea market, enjoying high reputation at home and abroad. For instance, the petroleum and natural gas tubes have been used in Tarim oilfield with the most challenging geological conditions, running 8000 meters down the well. Among pressure vessel tubes, tubes for nuclear power station have realized the localization of four main pipelines while high pressure boil tubes with large diameter and heavy wall thickness have been supplied for China’s five main boiler manufacturers with the market share holding steady in the front row of the industry. Among mechanical processing tubes, we have developed the highest grade of crane boom tubes, the service life of our axle tubes is 50% longer than the like products in the market, the hydraulic cylinder tubes with high strength and high toughness have been used in the world’s highest and biggest coal mining machines manufactured by ZMJ, high-end construction tubes have successfully lifted Dubai Frame and other new landmarks across the world, and the high pressure mud tubes have been used in the combustible ice drilling platform in South China Sea, BluewhaleⅠ.
HYST is an international enterprise. Its export volume accounts for nearly 50% of its total sales volume, having continuously led China's seamless steel tube & pipe industry for a dozen years. Its export destinations cover the major markets across the world, including 66 countries and regions. Dozens of renowned international oil companies like Shell, Mobil, Chevron, Total, Maersk are all the major clients of HYST.
Focusing on green development. With a commitment to the development philosophy of “Century HYST， Environmental Protection First”，it pushes forward clean production and remains devoted to building a resource-conserving and environment-friendly enterprise. Due to these efforts, HYST has successively been honored as Demonstration Enterprise in Building Resource-conserving and Environment-friendly Enterprise of Hunan Province、Garden-style Unit of Hunan Province、National Advanced Unit in Energy Conservation within the Period of Eleventh Five-year Plan.
HYST is an enterprise with strong cohesion force and fighting capacity. With the contest of management of Party building goals as the carrier, the ideological and political work as the lifeline, and the striving culture and the craftsmanship spirit as the cultural core, HYST has continuously strengthened the staff construction, and thus has created a workforce with a fine style of work capable of fighting hard battles, which has helped HYST survive the ordeal of the shuffling and restructuring of the steel tube industry and has provided a solid support for the enterprise to accelerate development in the future.