Leveraging decades of expertise, we specialize in the innovative spiny wheel decelerator. Employing a comprehensive management and technology system, our products consistently achieve superior quality, adhering to the prestigious Jiangsu Standard Measure.
Tested by the Bureau and compliant with GB/T 19001-2000 specifications, our products enjoy nationwide distribution and acclaim. They find extensive application across diverse sectors including metallurgy, mining, crane transport, petroleum, chemical industries, spinning, weaving, pharmaceuticals, food production, light industries, cereals, oils, and fodder. Revered by our customers, they command a distinguished reputation.
We cordially invite customers, both domestically and internationally, to explore our offerings.






Items | contents |
Insulation resistance | In the circumstance of normal temperature and humidity,the resistance can be up to 100M,measured by DC500V insulation resistance measurer between the motorwiring and motor shell while the motor is working. |
Insulation voltage | In the circumstance of normal temperature and humidiythere willbe no problem supplying the power of 1500V50/60Hz between the metal wiring and motor shell in 1minute while the motor is |
Temperature rise | The temperature rise of wiring should be lower than 80C measured by resistance method when the motor is working. (The temperature of wiring with fan should belower than 60°C) |
Insulation class | Class B(130C) |
Using temperature | -100C+40C(Three phase 10C-+40'C(NO freeze) |
Using humidity | ≤85%(Place without dew) |


With a storied legacy of excellence, Changzhou Changyulong Reducer Co., Ltd proudly leads in producing superior cycloidal gear reducers. Our distinguished production history, aligned with rigorous JB298281 ministry standards, guarantees unparalleled quality. Endorsed by the International Provincial Bureau, our products epitomize cutting-edge cycloidal gear innovation.
Our state-of-the-art cycloidal pinwheel reducers harness the planetary transmission principle in tandem with cycloidal pinwheel tooth meshing. They adeptly meet the demands of industries ranging from textile printing and dyeing to light industry, food processing, and the robust sectors of metallurgy, mining, and construction, delivering exceptional drive and speed regulation solutions tailored precisely for your needs.
At Changzhou Changyulong Reducer Co., Ltd, our cycloidal reducers embody unparalleled quality and reliability, offering a diverse range of specifications at extraordinarily competitive prices. With steadfast commitment to integrity and trust, we prioritize quality and customer satisfaction, delivering significant technical and economic advantages across a multitude of industries.






Q: What're your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
Q: How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge.
Q: What's your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.