
CGC
Chongqing Gearbox Co., Ltd. (重庆齿轮箱有限责任公司)
China's largest manufacturer of heavy-duty industrial and marine gearboxes. 100% state-owned, part of CSSC (China State Shipbuilding Corporation). 2,370 employees, 900,000 m² facility, assets ¥6.0B (2024). Sole supplier of marine gearboxes within CSSC. 340 patents, national technical center with 280 engineers. R&D: KissSoft, SolidWorks, ANSYS, MASTA. Standards: ISO, DIN, AGMA, API, GB. Service network: Russia, Germany, USA, Turkey, Iran, India, Philippines, Pakistan. Over 10,000 cement gearbox sets delivered worldwide (60% China market share). 30,000+ wind turbine gearboxes delivered. SDS supplies CGC gearboxes to Russia under a direct factory contract: CH3 and CK3 crane-duty gearboxes, marine gearboxes and drive packages — with European-equivalent cross-referencing, technical support and supervised installation.
Mining

Helical Gearbox for Heavy-Duty Applications
General industrial helical gearbox with parallel shafts for heavy-duty applications including main belt conveyors. 2–4 stages, ratio 6.3–450. Gear accuracy ISO 1328 class 6+. Modular design, interchangeable with imported equivalents in size, torque and power. Solid, hollow or hollow shaft with shrink disc.
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Bevel-Helical Gearbox for Heavy-Duty Applications
General industrial bevel-helical gearbox with right-angle shafts for heavy-duty applications. 2–4 stages, ratio 6.3–400. Modular design, standard interfaces. ANSI/AGMA 6010-E88 compliant.
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Tower Mill Reducer
Two-stage planetary reducer for tower mills for secondary and ultra-fine grinding of metallic and non-metallic ores. Power 200–4,500 kW, max torque 7,500 kN·m. Frame sizes JTM140–JTM2240. Independent oil station or integrated air-cooled system.
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CKG High-Pressure Grinding Rolls (HPGR)
CKG series high-pressure grinding rolls (HPGR) for the mining industry. Inter-particle bed comminution under high pressure cuts energy use by up to 50% or more versus conventional mills. Roller tyres with hard-faced surface or carbide studs, constant-pressure design for stable operation. Sizes CKG10040–CKG200160.
Metallurgy

Bar & Wire Rod Mill Gearboxes
Parallel gear reducers H-type and V-type. H-type: with speed shifting (i = 2/4–32/60) and without. V-type: bevel first stage. Weight up to 30 t.
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Pinion Stand Gearbox
Pinion stand gearbox for torque distribution to work rolls. Models BF2-650 … BF2-1300.
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Coiler Gearbox
Auxiliary gearbox for coiling finished strip into rolls after rolling. Models 8101.705A … 8101.680.
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ESP Line Gearboxes
Complete gearbox set for ESP endless strip production line (3rd gen). Roughing HRM (R1–R3), finishing FM (F1–F5). 15 lines worldwide, 8 in China — all with CGC gearboxes.
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Main Reducer for Rolling Mill
Main reducer converting motor speed to rolling speed. Helical and herringbone gearing. Lines: 1250, 1450, 1580, 1780, 2050, 2250, 2300.
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Shear Gearbox
Gearbox for flying and stationary shears on rolling lines. Power 600–3,000 kW.
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Vertical Rolling Mill Gearbox
Gearbox for roughing and finishing vertical (edger) mills. High lateral forces and braking torque.
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Roller Press Gearbox (Parallel Planetary)
Two-stage planetary + single-stage parallel shaft gearbox for roller presses. Offset input/output axes. Ratio 45–125. Supplied to thousands of customers worldwide.
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Roller Press Gearbox (Coaxial Planetary)
Two-stage planetary gearbox for roller presses. Coaxial layout (input/output on same axis). Ratio 25–40. Modular design, symmetric housing — left/right interchangeable. Online monitoring of vibration, temperature, speed.
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Vertical Mill Gearboxes
Complete range of bevel-planetary gearboxes for vertical mills: JLX (single planetary stage), JLP (parallel + planetary), JLW (dual planetary, 5 planets), JLWS (dual planetary, 6 planets). Frame sizes from JLX107 to JLWS900. Static load 3,000–18,000 kN. For mills up to 9,000 kW.
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Centre Drive Gearbox for Ball Mill
Cylindrical parallel-shaft gearbox for central drive ball mills. Frame sizes JS90–JS160D, power 800–4,500 kW, weight 21–79 t. Alloy steel gears, carburized, hardened and ground. Oil station, low-speed drive, diaphragm coupling, multi-path temperature monitoring. Industry standard since 2001.
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Three-Stage Central Drive Mill Gearbox
Three-stage coaxial gearbox with dual power split and torsion shaft. Ratio 55–70:1. Frame sizes JST130–JST180, power 2,800–8,000 kW, weight 52–132 t. Patent ZL200420060980.6. Output speed 14–18 rpm. Herringbone gear on output stage.
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CCG High-Pressure Roller Presses
CCG series high-pressure roller presses for inter-particle bed comminution (cement, ore and non-metallic materials). High-pressure bed grinding sharply cuts specific energy use versus conventional mills. Carbide-studded rolls, constant-pressure hydraulic system. Sizes CCG8030–CCG200180.
Wind Power

Wind Turbine Step-Up Gearbox
Speed-increasing (step-up) gearboxes for wind turbines from 600 kW to 7 MW, including a 7 MW offshore wind turbine gearbox (national R&D programme). CGC was China's first manufacturer to develop wind power gearboxes; 20+ years of experience. GL-A and TUV certified. Case-hardened gear trains, couplings and dampers.

Wind Turbine Yaw Drive
Yaw gearboxes for wind turbines from 100 kW to 6 MW. Multi-stage planetary drives that rotate the nacelle into the wind: compact design, high load capacity, continuous bidirectional duty. CGC — 20+ years in wind power, GL-A and TUV certified.

Wind Turbine Pitch Drive
Pitch gearboxes (variable propeller drives) for wind turbines from 100 kW to 6 MW. Bidirectional planetary drives for precise blade angle adjustment and emergency feathering. High reliability under cyclic loading. CGC, GL-A and TUV certified.
Marine Solutions

Main Marine Gearbox
Main marine gearbox with speed reduction, reverse and clutch functions. ~100 models, 8 construction types. PTO for fire pumps, cargo pumps, generators.
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Compact Marine Gearbox
Compact single-stage gearbox without clutch. GCH — horizontal offset, GCS — vertical. Small dimensions, high efficiency.

Dual-Input Marine Gearbox
Dual-input gearbox for parallel engine operation. GVW and GVL series — with clutch, reduction, propeller thrust bearing and PTO.

Light-Duty High-Speed Marine Gearbox
Light-duty marine gearboxes with two-stage reduction and reversing clutch. Over 20 models.

LQ Light-Duty Marine Reverse Gearboxes
Light-duty high-speed marine reverse gearboxes for fast and pleasure craft, analogous to the ZF Marine A series. Sizes LQ60–LQ400 plus 7° down-angle V-versions, hybrid diesel-electric models LQ100S/200S/280S (5 operating modes), in-line LJN30–LJN1100 clutch couplings. Up to 2,400 kW, up to 4,000 rpm, SAE interfaces, 0.8 / 0.65 overdrives. Classification society survey available on request.
Other

Rubber & Plastic Screw Extruder Gearbox
Three-stage parallel shaft gearbox for rubber and plastic screw extruders. 10 frame sizes (LJC250–LJC710), 10 ratios each. Hollow output shaft. Alloy steel gears, carburized and ground. 3 assembly configurations (I, II, III). Weight 2,000–8,700 kg.
Download PDF CatalogReference List
CGC equipment has been delivered to leading industrial enterprises worldwide. Download the full reference list.
Download Reference List (PDF)FAQ — CGC
What equipment does SDS supply from CGC?
SDS delivers the full CGC product range including gearboxes. Detailed series, sizes and technical specifications are available on this page; full PDF catalogues can be downloaded from the Catalogues section.
In which industries is CGC equipment used?
CGC equipment is applied in shipbuilding, cement industry, metallurgy and power generation and other industries. We select a specific model for your duty cycle, load profile, working environment and ambient conditions.
What is the warranty and lead time for CGC?
Standard manufacturer warranty — 12 months from commissioning, no more than 18 months from shipment. Production lead time is 4–16 weeks depending on specification (the equipment is manufactured in China). Delivery to Russia is by road transport. Detailed terms are on the Terms of Cooperation page.
How to order CGC equipment from SDS?
Send a technical request with operating parameters and requirements. Within one business day we prepare a technical-commercial proposal with firm pricing and delivery schedule. Default Incoterms — DDP (with EAEU certification and customs clearance included).
Need help with CGC?
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