Skip to content
CGC

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.

China · 1966 Manufacturer website

Mining

Helical Gearbox for Heavy-Duty Applications (CH)
CHCH Series Helical Gear Unit

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.

Download PDF Catalog
Bevel-Helical Gearbox for Heavy-Duty Applications (CK)
CKCK Series Bevel-Helical Gear Unit

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.

Download PDF Catalog
Tower Mill Reducer (JTM)
JTMJTM Series Tower Mill Reducer

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.

Download PDF Catalog
CKG High-Pressure Grinding Rolls (HPGR) (CKG)
CKGCKG Series High-Pressure Grinding Rolls

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 (BAR-WIRE)
BAR-WIREBar & Wire Rod Mill Gearbox

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.

Download PDF Catalog
Pinion Stand Gearbox (BF2)
BF2BF2 Series Pinion Stand Gearbox

Pinion Stand Gearbox

Pinion stand gearbox for torque distribution to work rolls. Models BF2-650 … BF2-1300.

Download PDF Catalog
Coiler Gearbox (COILER)
COILERCoiler Gearbox

Coiler Gearbox

Auxiliary gearbox for coiling finished strip into rolls after rolling. Models 8101.705A … 8101.680.

Download PDF Catalog
ESP Line Gearboxes (ESP)
ESPESP Endless Strip Production Line Gearboxes

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.

Download PDF Catalog
Main Reducer for Rolling Mill (MAIN-RED)
MAIN-REDMain Reducer Gearbox

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.

Download PDF Catalog
Shear Gearbox (SHEAR)
SHEARShear Gearbox (Flying Shear)

Shear Gearbox

Gearbox for flying and stationary shears on rolling lines. Power 600–3,000 kW.

Download PDF Catalog
Vertical Rolling Mill Gearbox (VERTICAL)
VERTICALVertical (Edger) Rolling Mill Gearbox

Vertical Rolling Mill Gearbox

Gearbox for roughing and finishing vertical (edger) mills. High lateral forces and braking torque.

Download PDF Catalog

Cement

Roller Press Gearbox (Parallel Planetary) (JGR)
JGRJGR Series Parallel-Shaft Planetary Roller Press Gearbox

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.

Download PDF Catalog
Roller Press Gearbox (Coaxial Planetary) (JGW)
JGWJGW Series Coaxial Planetary Roller Press Gearbox

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.

Download PDF Catalog
Vertical Mill Gearboxes (JLX / JLP / JLW / JLWS)
JLX / JLP / JLW / JLWSJL Series Vertical Mill Reducers

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.

Download PDF Catalog
Centre Drive Gearbox for Ball Mill (JS)
JSJS Series Reduction Gears for Central Driven Mills

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.

Download PDF Catalog
Three-Stage Central Drive Mill Gearbox (JST)
JSTJST Series Reduction Gears for Central Driven Mills

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.

Download PDF Catalog
CCG High-Pressure Roller Presses (CCG)
CCGCCG Series High-Pressure Roller Presses

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 (WIND-UP)
WIND-UPWind Turbine Speed-Increasing (Step-Up) Gearbox

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 (WIND-YAW)
WIND-YAWWind Turbine Yaw Gearbox (Slewing Drive)

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 (WIND-PITCH)
WIND-PITCHWind Turbine Pitch Gearbox (Variable Propeller Drive)

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 (GW)
GWGW Series Marine Gearbox

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.

Download PDF Catalog
Compact Marine Gearbox (GC)
GCGC Series Marine Gearbox (GCH / GCS)

Compact Marine Gearbox

Compact single-stage gearbox without clutch. GCH — horizontal offset, GCS — vertical. Small dimensions, high efficiency.

Dual-Input Marine Gearbox (GV)
GVGV Series Dual-Input Marine Gearbox

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 (GA / GQ)
GA / GQGA/GQ Series Light-Duty Marine Gearbox

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 (LQ)
LQLQ Series Marine Reverse Gearboxes (CGC Marine)

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 (LJC)
LJCLJC Series Rubber & Plastic Screw Extruder Gearbox

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 Catalog

Reference 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?

Our specialists will help you find the best solution for your project.