- ISO 9001:2015 Certified
- CE Compliant
- 100% In-House Machining
- Exported to 50+ Countries
■True Vertical Integration & Precision Machining■
From raw forging inspection to final dynamic load testing, we control every step. Our facility utilizes imported CNC gear grinders to achieve DIN 6 accuracy, ensuring >95% mechanical efficiency and long-term reliability.
Standardized dimensions globally, engineered precisely for continuous industrial operations.
■Engineered for Heavy-Duty Power Transmission■
Helical Gearboxes (R/S/K/F)
Modular design, output torque up to 50,000 Nm. Ideal for continuous, high-torque industrial applications.
Cycloidal Gearboxes (BLD/XWD)
Robust pin-wheel technology offering high shock overload capacity and an extremely compact footprint.
Worm Gearboxes (NMRV/WP/SWL)
Cost-effective, smooth-running solutions with inherent self-locking capabilities and precise lifting mechanisms.
Other
High torque density and rugged, heavy-duty designs built specifically for metallurgy, mining, and heavy lifting.
Proven in Demanding Industrial Environments
RF Series for Mixing
RF Series gear reducers are widely used in agitator where compact installation, smooth transmission, and reliable operation are essential. They are ideal for chemical, food, and environmental processing applications, helping ensure uniform mixing performance, improved efficiency, and stable long-term operation.
Proven in Demanding Industrial Environments
K Series for Heavy-Duty Conveying
K Series gear reducers are designed for heavy-duty conveying systems that require high torque, strong load capacity, and reliable performance under continuous operation. They are well suited for mining, ports, and bulk material handling applications, delivering stable transmission in demanding working conditions.
Proven in Demanding Industrial Environments
S Series for Light-Duty Conveying
S Series gear reducers are ideal for light-duty conveying applications where smooth operation, low noise, and efficient transmission are important. They are commonly used in packaging, sorting, food processing, and assembly lines, helping improve system efficiency and maintain stable conveyor performance.
Proven in Demanding Industrial Environments
ZLYJ Series for Plastic Extruders
ZLYJ Series gear reducers are specially developed for plastic extrusion machinery and are built to handle high loads and continuous operation. They provide reliable torque transmission and stable speed control for pipe, profile, sheet, and pelletizing equipment, helping improve productivity and product consistency.
Proven in Demanding Industrial Environments
K Series for Steel Industry
K Series gear reducers are widely used in the steel industry, where equipment must perform reliably under heavy loads and continuous-duty conditions. Their robust design and strong torque output make them suitable for roller tables, feeding systems, and auxiliary drives, supporting stable production and reduced downtime.
Proven in Demanding Industrial Environments
NMRV for Light Conveyor Belts
NMRV worm gear reducers are well suited for light conveyor belt systems thanks to their compact size, quiet operation, and flexible installation. They are commonly applied in logistics, packaging, and food handling equipment, providing a cost-effective and reliable solution for lightweight conveying tasks.
Proven in Demanding Industrial Environments
F Series for Environmental Protection Equipment
F Series gear reducers are widely used in environmental protection equipment where compact structure, stable operation, and high efficiency are essential. They are suitable for sewage treatment, sludge conveying, aeration, and waste handling systems, helping improve equipment reliability and reduce maintenance requirements.
Proven in Demanding Industrial Environments
Cycloidal Gear Reducers for Textile Industry
Cycloidal gear reducers are widely used in the textile industry, where stable transmission, compact design, and continuous operation are critical. They are suitable for spinning, weaving, dyeing, and printing equipment, offering reliable performance, low noise, and long service life for demanding textile applications.
■Rooted in China, Powering Global Machinery■
As a leading source factory in China, Changyulong combines decades of manufacturing expertise with an agile global export division (Guge Trading). We eliminate intermediaries, providing global OEMs and distributors with factory-direct pricing, custom application engineering support, and uncompromised quality control directly from the manufacturing floor.
- 2015
Founded in
- 200+
Staff
- 50+
Exporting Countries
Customization
Custom output flange,shaft sizes,and tailored gear ratios engineered to your specs.
Fast Prototyping & CAD
Dedicated engineering team delivers 3D CAD models within 48 hours and custom prototypes in industry-leading lead times.
Inside Our Advanced Manufacturing Facility
■Trusted by Industrial Leaders Worldwide■
"Changyulong is a reliable supply chain partner. Their K-series integrated perfectly into our mining conveyors, and the factory-direct pricing improved our margins by 30%."
Procurement Director
Mining Equipment OEM, Australia
"Exceptional engineering support from China. They customized 500 gear motors for our sorting lines and delivered on time without a single defect."
Lead Automation Engineer
Logistics Integrator, Southeast Asia
■Efficient Global Logistics from China■
Leveraging China's world-class port infrastructure, our dedicated export team ensures secure, documented, and on-time global delivery.
7-15+
7-15 Days Standard Lead Time
Secure+
Secure Fumigation-Free Plywood Crates
FOB / CIF / DDP+
FOB / CIF / DDP Trade Terms Supported
■Factory Updates & Engineering Insights■
