China High Speed Transmission Equipment Group Co., Ltd.
China High Speed Transmission Equipment Group Co., Ltd.
🇨🇳 China, Jiangsu
19695001-10000 peopleManufacturerChina High Speed Transmission Equipment Group Co., Ltd., also known as NGC, is a leading manufacturer of gearbox and transmission technology solutions based in Nanjing, China. Established in 1969, the company has over 56 years of experience and operates as a global expert in the field, with a significant global presence and branch offices in America, Europe, India, and Asia Pacific. With over 5,000 employees, NGC specializes in the research, design, development, manufacture, and sale of various mechanical transmission equipment. Their core product lines include wind energy gearboxes, industrial gearboxes, rail vehicle gearboxes, new energy vehicle gearboxes, and robot reducers. They also offer the GearSight System, an IoT cloud platform for gearbox health monitoring and diagnosis. NGC is recognized as a national technology innovation demonstration enterprise, holding 937 national patents and participating in 44 industry standards. Their wind energy gearboxes have a global market share exceeding 30%, with over 115,000 units supplied worldwide. The company provides OEM services and is committed to advanced manufacturing and zero defect management, serving diverse industries globally.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Own brandOwns and operates its own brands and manufacturing facilities.
High capacity factoryCan handle large-scale or bulk production orders.
Patented technologyHolds multiple product or process patents.
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Gearbox for Open-Type Mixing Mills
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Gearbox for Extruder
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Gearbox for Internal Mixer
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Gearbox for Extruder and Calendar Group
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Chongqing Zhizhan Gear Transmission Co., Ltd.
🇨🇳 China
2008101-200 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Product customization
High-tech enterprise
Shipments
26
Key customer
DERAN GEAR
Key market
Asia
Description
Chongqing Zhizhan Gear Transmission Co., Ltd. is a national-level "Specialized and Innovative" high-tech manufacturer established in 2008 and based in Chongqing, China. Operating from a 30,000-square-meter facility in the Degan Industrial Park, the company specializes in the R&D, production, and service of high-precision, heavy-duty gear transmission equipment. Their comprehensive product portfolio includes high-speed gearboxes, universal and standard gearboxes, spiral bevel gears (Gleason and Klingelnberg formats), herringbone gears with no undercuts, and complex gear shafts. These components are engineered for demanding applications, featuring capabilities such as pitch line velocities up to 180 m/s, speeds reaching 100,000 r/min, and power transmission up to 50 MW.
The company maintains advanced manufacturing capabilities with over 50 sets of high-end equipment, including German DMG 5-axis machining centers, Italian PAMA boring and milling centers, and NILES KAPP CNC gear profile grinding machines. This technology allows for the production of gears up to 3,000mm in diameter with precision levels reaching DIN-3 to DIN-5 and surface hardness of HRC58-62. Zhizhan Gear is recognized as a "Chongqing Green Factory" and holds ISO 9001, ISO 14001, and ISO 45001 certifications.
With a strong emphasis on innovation, the company operates a dedicated Transmission System Research Center and collaborates with prestigious institutions like the Chinese Academy of Sciences and Chongqing University. They provide OEM and ODM services to a global clientele, including major partners such as Sumitomo, Metso, and Flender. Their solutions serve critical industries including aerospace, metallurgical mining, petrochemical, energy equipment, shipbuilding, and rail transportation.
Zhizhan Industrial Double Helical Helix Gear Shaft Carburizing and Quenching$500
High-Speed Gearbox Gsc280 Custom Wide Application$5000
Industrial Cylindrical Gear Shaft Heat-Treated HRC 58-62 for Optimal Performance$500
Durable Industrial Double Helical Helix Gear Shaft with Zhizhan Trademark$500
Industrial Large Cylindrical Gear, High Precision, OEM Service, HRC 58-62$500
Precision DIN6 Industrial Large Cylindrical Gear for OEM Services$500
High Efficiency Durable Alloy Steel Mechanical Power Transmission Spiral Bevel Gear$500
Durable Heavy Duty Wear Resistant Straight Bevel Gear with DIN 6 Precision$500
High-Quality Cylindrical Gear with DIN6 Precision and Zhizhan Trademark$500
Industrial Large Cylindrical Gear, High Precision, Carburizing and Quenching$500
Industrial Large Cylindrical Gear, High Precision, Heat-Treated, OEM Service Offered$500
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Guizhou Aerospace Winstar Intelligent Transmission Co., Ltd.
🇨🇳 China
2000201-300 peopleManufacturer/Trading CompanyEstablished brand
High-tech enterprise
Own brand
Low MOQ
Shipments
1
Key customer
PRISAN
Description
Guizhou Aerospace Winstar Intelligent Transmission Co., Ltd. is a manufacturer and trading company based in Zunyi, China, specializing in high-power hydraulic transmission systems and gearboxes. Established in 2000, the company is affiliated with the Tenth Research Institute of China Aerospace Science and Industry Corporation and operates a factory covering 52 acres with over 200 employees. With more than 40 years of experience, Guizhou Aerospace Winstar offers independent research and development, batch production capabilities, and advanced processing and testing equipment. They provide OEM and ODM services. Their product portfolio includes hydraulic transmissions and gearboxes for diverse heavy-duty applications such as oil and gas field exploitation equipment, special vehicles, and special engineering machinery, including articulated dump trucks, mining trucks, workover rigs, fracturing trucks, mud pumps, and drilling rigs. The company holds Audited Supplier and Verified by TÜV Rheinland certifications, demonstrating a commitment to quality and reliability. They also engage in international trade, with export activities covering various product categories including transmission components like gears, flywheels, pulleys, clutches, and shaft couplings, as well as electrical transformers and insulated cables. Guizhou Aerospace Winstar is dedicated to continuous improvement and innovation to meet customer needs.
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