　　Chongqing Zhizhan Gear Transmission Co., Ltd. is a high-tech enterprise with gear transmission equipment as its core business, integrating technological research and development, production, sales, and service. It was founded in 2008, and acquired Chongqing Yongjin Heavy Machinery Complete Equipment Co., Ltd. in 2019. In 2022, It was recognized as one of the fifth batch of specialized, refined, distinctive, and innovative small and medium-sized enterprises in China.
　　
　　Its products are widely used in aerospace, aviation, shipbuilding, cement, building materials, steel, thermal power, mining, petroleum, chemical industry, coal, metallurgy, wind power, rail transportation, construction machinery, water conservancy projects, various types of test benches, sewage treatment, waste incineration power generation, gas turbine power generation, compressors, and other fields.
　　
　　It’s a domestic leading provider of high-speed, heavy-duty, and non-standard transmission devices, as well as spiral bevel gears. Its current designed maximum power transmission is 50 MW, the highest pitch line velocity of gears is 180 m/s and the maximum speed is 100,000 r/min. It has been awarded honors such as "Digital Workshop," "Green Manufacturing System Demonstration Enterprise," and "Chongqing High-speed Heavy-duty Gearbox Transmission Enterprise Engineering Technology Research Center." Its products have won "Second Prize for Scientific and Technological Progress in Sichuan Province," "Second Prize for Scientific and Technological Progress of the Ministry of Education," and "Third Prize for Scientific and Technological Progress of the Aeronautical Society".
　　
　　We more than 50 processing equipment, including advanced equipment such as German DMG five-axis machining centers, Italian PAMA boring and milling machining centers, German NILES CNC gear shaping machines. It capable of manufacturing various integral gear parts with a diameter of up to 2 meters, unlimited modulus, accuracy up to DIN-3 level, and tooth surface hardness reaching HRC58-62, as well as non-backlash herringbone gears and high-precision gearboxes. It also masters the world's leading technology for single-matching processing of spiral bevel gears.
　　
　　Looking ahead, we will stick to its original aspiration and forge ahead. It will continuously strengthen its processes and focus on details in its management, pursue high standards and zero defects in product quality. It will uphold the core values of creating value for customers.

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