DONLY
Ningbo Dongli Share Co., Ltd. (宁波东力)
First publicly listed company (A-share, Shenzhen Stock Exchange) in China's gear industry. Full range of 4th-generation gear motors and industrial gearboxes for heavy industries. 3 manufacturing bases + Thailand factory, exports to 30+ countries.
Gearboxes
Industrial Gearbox (Parallel / Right-Angle)
Heavy-duty industrial gearboxes with parallel (DLH) or right-angle (DLB) shafts. Split cast iron housing HT250, 20CrMnTi gears. Horizontal and vertical mounting.
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Planetary Gearbox
Planetary gearboxes DLPII (2-stage) and DLPIII (3-stage). Output shaft options: NA (solid), LA (flange), SA (splined), KA (hollow). Base, torque arm or motor bracket mounting.
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Bevel Gear Commutator
Compact bevel commutator for 90° direction change. 2–4 output ends. Spiral bevel gears, smooth reversing, low noise, 98% efficiency.
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Standard Helical & Bevel-Helical Gearbox
Classic 1–3 stage industrial gearboxes. Alloy steel, carburized + hardened + ground, HRC57+ hardness. Types: ZDY/ZLY/ZSY (parallel shafts), DBY/DCY (bevel-helical), K-versions with hollow shaft.
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Bucket Elevator Drive
Specialized bevel-helical drive for bucket elevators with integrated backstop. Main and auxiliary drive. Hollow output (shrink disc / key). Options: speed monitoring, thermal sensor.
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Conveyor Drive
Belt conveyor drives. DLCB — bevel (right-angle) drive DLCBII/III, 1000/1500 rpm input. Auxiliary drive, forced lubrication, water/air cooling, encoder.
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Crane Gearboxes
DLHK — specialized parallel gearbox for hoist and travel mechanisms of overhead cranes. QY — gearboxes for crane hoisting mechanisms (QY3D, QY4D, QY3S, QY4S, QY34S).
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Extruder Gearboxes
DLE — high-torque single-screw extruder gearbox, 60% higher load capacity than ZLYJ. DLZLYJ — standard precision gearbox with thrust bearing for screw axial load, GB/T10095 class 6 accuracy, HRC57–62.
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Planetary Gearbox for Submersible Pumps
Submersible design with high IP protection. Planetary mechanism, compact size, high load capacity. Leakage and temperature sensors for remote monitoring.
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Mill Gearboxes
DLJML — for heavy-duty vertical mills. DLJG — planetary drive for roller mills. DLBYX — side drive for mills.
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Worm Screw Hoist
Self-locking compact hoist based on worm gear pair. Various types by nut position and shaft configuration.
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Continuous Casting Gearboxes
Specialized gearboxes for continuous casting machines. DLLJJ, LZ series.
Injection Molding Gearboxes
Specialized gearboxes for injection molding machines. DLGA series.
Rubber Machinery Gearboxes
Specialized gearboxes for rubber industry equipment: calenders, mixers, mills. Series DLDYJ, PSY, J, M, KL.
Gear Motors
Helical Inline Gearmotor
4th-generation inline gearmotor with parallel input/output. 1–3 stages. Carburized and ground gears from low-carbon alloy steel. Monolithic high-strength housing. Any mounting position.
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Helical-Bevel Gearmotor
4th-generation gearmotor with right-angle transmission. 3-stage helical-bevel-helical combination. Perpendicular input and output shafts. Hollow shaft with key or shrink disc.
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Parallel-Shaft Gearmotor
4th-generation gearmotor with parallel input and output shafts. 2- or 3-stage transmission. Compact flat profile. Hollow shaft for direct mounting on the driven shaft.
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Helical-Worm Gearmotor
4th-generation 2-stage gearmotor: helical and worm gear combination. Perpendicular input and output shafts. Self-locking effect. Hollow shaft with key or shrink disc.
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Special Motors
Special electric motors for heavy-duty applications: DM, DMP, YPG, YGP, YZP series. High-voltage, explosion-proof, for metallurgy and mining.
FAQ — DONLY
What equipment does SDS supply from DONLY?
SDS delivers the full DONLY product range including gearboxes, gear motors and motors. 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 DONLY equipment used?
DONLY equipment is applied in metallurgy, mining & mineral processing, cement industry and port equipment 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 DONLY?
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 DONLY 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).
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