With the accelerating pace of scientific progress, the product update cycle shorter accordingly . Tieling Lester take the science and technology R & D as a vitality, to introduce and absorb advanced technology at home and abroad. Our company take the science and technology as guide, concentrate on developing new products. Our company's has more than 30 scientific and technological elite colleges and universities to conduct long-term scientific and technological projects with the cooperation and continuous development of mechanical and electrical integration, three-dimensional simulation of manufacturing design system, optimize the product structure, to ensure the new product development in quality and speed. Our company developed products to fill gaps in the international and domestic, a number of award-winning products, in order to make a remarkable contribution to the industry. Registered trademarks TLLSTF, in which chlorine skeleton lining butterfly valve, adjustable three eccentric hard-sealing butterfly valve and two-way pressure three eccentric hard-sealing butterfly valve and so on are all provincial-level new products, was awarded the second prize of scientific and technological progress, and achieved national patent ,the butterfly valve is also provincial recommend products, advanced technology development efforts to forge a brilliant future of Lester .
    Our products has won a variety of scientific and technological achievements awards, and made many national invention patents and utility model patents. The main products are: butterfly valve, gate valve, check valve, stop valve, regulating valve, exhaust (air)valve, ball valve, plug valves, flap, expansion joint, pipe accessories and so on; applicable medium are: water, sewage, water, air, high-temperature furnace gas, coal gas, natural gas, steam and various acid-base salt, liquids, etc.; applicable temperature: -40-600 degrees; applicable pressure :0.01-24MPa; nominal diameter : DN15-6000MM; drive mode: manual, electric , pneumatic, hydraulic, electro-hydraulic linkage and so on. According to user requirements, the product in accordance with Chinese GB, JB, international ISO, the U.S. APL, ANSL, British BS, German DIN, Japanese JIS and other standards for design and manufacturing. Our products are widely used in hydropower, nuclear power plants, thermal power plants, water plants (city water, water), sewage treatment plants, gas, aviation, nonferrous metallurgy, petrochemical, mining, water conservancy and so on.
    Our company built a large valve testing base, with ability and conditions.
    Of constantly developing new products and the development of valves to meet the special requirements of customers .
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