NUODUNHangzhou, Zhejiang, China | Planetary · Worm | Nuodun (Hangzhou) Intelligent Equipment specializes in linear transmission and related gear drives. Its catalog includes screw jacks, bevel turning units, planetary reducers and worm reducers. The NDP documentation provides actual-ratio and torque tables at a stated input speed, while the RV page gives a general worm-reducer envelope and input/output connection options. The NDP001 example below preserves the difference between nominal and actual reduction ratio and separates thermal power from mechanical torque. This distinction is useful when comparing an industrial planetary unit with a compact RV worm drive. Confirm the complete assembly and lubrication arrangement with Nuodun for the intended operating cycle. | |
WEILI TransmissionYinchuan, Ningxia, China | Planetary | Yinchuan Weili Transmission Technology develops precision drive systems for wind power and construction machinery. Its official catalog separates wind-turbine yaw and pitch reducers from winch, slewing and travel reducers used in machinery. The company website identifies a Yinchuan headquarters and engineering operations, and describes planetary drive development in its history. The documented winch and slewing families below use distinct load paths and installation interfaces. Their maximum-output-torque envelopes are not continuous rated-torque tables. Buyers should provide the hydraulic motor, load spectrum, braking requirements and mechanical interfaces so Weili can supply a complete application-specific drive selection. | |
TANHONRuian, Zhejiang, China | Helical · Bevel · Worm · Planetary | TANHON is the gearbox brand of Zhejiang Tianhong Transmission Machinery in Ruian. Its catalog covers helical geared drives, heavy-duty industrial gearboxes and other reduction products. The MTH heavy-duty helical range offers multiple shaft and installation arrangements for conveying, mining, cement and steel-industry machinery. | |
EVERGEARWenzhou, Zhejiang, China | Helical · Bevel · Worm · Planetary | Zhejiang Evergear Drive manufactures geared motors and industrial reducers in Pingyang, Wenzhou. The range includes ER, EK, EF, ES, EH/EB and EQ families. ER helical reducers are offered in foot- and flange-mounted arrangements. This profile uses the current Chinese product page for its ER speed and power envelope; individual model ratings require selection. | |
SuprorHangzhou, Zhejiang, China | Worm · Helical · Planetary | Hangzhou Supror Transmission Machinery manufactures general-purpose and application-specific reducers. Its official company profile identifies a Hangzhou smart factory and a gear factory in Anji. Product lines include SPN planetary reducers, H/B industrial units, RFKS geared drives and worm gearboxes. The WPO/WPX family is a single-stage worm-drive range. | |
SEW-EURODRIVE TianjinTianjin, China | Helical · Bevel · Worm · Planetary | SEW-EURODRIVE identifies its Tianjin transmission-equipment company in its official China contact directory. The brand supplies modular gear units and geared motors. The RX single-stage helical family is documented in six frame sizes, with foot- or flange-mounted arrangements. Confirm the manufacturing location and supplied configuration for each order. | |
DongzhengJinhua, Zhejiang, China | Planetary · Worm | Zhejiang Dongzheng manufactures miniature geared motors and reduction drives. Its 90JW/60JX/60ZY assembly combines a worm stage with a planetary stage and a DC motor. The official table links each motor designation to output speed, output torque and combined reduction ratio, enabling comparison at an actual operating point. | |
SGRShanghai, China | Planetary · Worm · Helical · Bevel | Shanghai SGR supplies planetary gearboxes, enveloping worm reducers and industrial geared drives. Its planetary catalog covers modular drive arrangements for industrial machinery. Series-wide torque and ratio envelopes describe available families; a model-specific selection is still required for speed, duty, service factor and shaft loads. | |