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Guangdong Xingguang Transmission in Foshan supplies R coaxial helical, K bevel-helical, RV worm and other standard geared drives, with motor and inverter options. Compare shaft arrangement, legacy frame torque references and a matched operating point before specifying the complete drive package.

Hubei SWT Transmission in Wuhan supplies compact coaxial SZ(N) and hollow K(C) RV reducers for robot joints and positioners. Compare speed-specific torque, external moment/thrust limits, input gearing and bare-unit assembly responsibilities before selecting a joint configuration.

Pingyao XINKAI in Shanxi supplies QJ/QY crane reducers, YN permanent-magnet semi-direct drives, modular replacement units and other heavy-duty industrial transmissions. Match the machine load cycle, shaft interfaces, housing construction and agreed acceptance testing before selecting a frame.

Guangdong Siggear Transmission Intelligent Technology develops compact gearboxes and geared motors. The official catalogue includes distinct 22 mm and 28 mm metal planetary gearbox models, SG-PG22 and SG-PG28. Both pages publish stage-by-stage ratio, permissible load and efficiency tables as well as the installation envelope and input-speed limit. These are miniature gearboxes for actuator and geared-motor integration, not industrial heavy-duty reducers. The buyer should choose a diameter, stage count, duty point and motor interface before using the source tables; the four-stage maxima should not be paired with one-stage efficiency values.

Zhejiang Xinghai Reducer publishes gearmotor and reducer ranges spanning parallel-shaft helical, helical-bevel, worm-helical, industrial gearboxes and cycloidal pinwheel units. The official FF series page provides motor-power, output-speed and torque envelopes together with a frame table; the BW/XW cycloidal page explains continuous service, recommended input speed and mounting inclination. These represent separate drive principles and should be compared by output speed, load and mounting arrangement, not by a common headline ratio. The company site also lists materials and usage conditions for the cycloidal range. Request a frame-specific catalogue and dimensional drawing before placing an order.

Tunsing Transmission, the brand shown by Zhejiang Gear Reducer Motor, publishes reducer families with official illustrated selection tables. Its R series is an inline helical drive, while the K series changes direction through helical-bevel gearing. Both pages show installation arrangements, frame sizes, ratio ranges, motor power and permissible torque by model. The examples below use the R37 and K37 columns so that a buyer sees a coherent frame-level selection rather than disconnected series maxima. The company also lists motors and other reducer architectures. The official tables are source material for preliminary screening; final shaft, mounting and duty selection requires a current drawing and quotation.

Anhui Feluoka Heavy Industry Transmission publishes modular geared-motor families for industrial drive installations. Its K series combines helical and bevel gearing to turn the output axis, while its R series is an inline helical arrangement. Separate official pages state each family’s ratio, rated-output-torque and motor-power envelopes, and enumerate available output and motor interfaces. Buyers can compare the arrangements as a starting point but should request a model-level selection sheet at the intended input speed, duty cycle and mounting orientation. The site also shows frame-by-frame torque charts rather than a single universal rating.

Jiangxi Ruiding Precision Transmission lists several planetary reducer architectures on its official site. The AF family uses helical gearing for precision servo transmission, while PSE is a straight-tooth planetary family. Their separate catalog images include model codes and performance tables with frame, ratio, rated output torque, input speed, backlash grade, temperature and enclosure class. A buyer can compare specific frame-and-ratio cells instead of combining unrelated series maxima. The company also publishes dimensions and application categories, including CNC equipment and industrial automation. The source data below retain only clearly legible official figures; request the current drawing for a selected motor interface.