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Zhejiang Tongli Transmission Technology supplies industrial reduction gear units and geared drives. Its TR hardened-tooth helical family and TK spiral-bevel family provide two distinct drive layouts: inline transmission and right-angle transmission. Official product pages publish frame envelopes, reduction ratios, output-speed ranges and input-power ranges. These values cover multiple sizes and motor combinations, so their endpoints must not be combined into an assumed configuration. The catalog identifies metallurgy, mining, conveying, chemicals and mixing as application areas. Buyers can use the documented series to shortlist a drive architecture, then obtain a frame-specific drawing, mechanical rating and thermal check from TONGLI.

WUMA supplies worm reducers, helical geared drives, hypoid units and planetary reducers. Its official catalog includes the WMRV right-angle worm family and WR inline helical family, with different housing materials and installation arrangements. The website identifies gearbox manufacturing activity dating to 1995 and lists applications including packaging, ceramics, environmental equipment and conveying. This profile links the CRM company Zhejiang Wuma Reducer to its WUMA brand website; the current website footer also names Zhejiang Wuma Transmission. Confirm the contracting legal entity and selected production location with the supplier. Product descriptions below retain the official family specifications without implying that every size shares the same load capacity.

Shenzhen Picea Harmonic Transmission Technology develops strain-wave transmission components. Its official catalog distinguishes component sets such as PMCG-I from hollow assembled units such as PMHG-I. The published rating tables specify torque at 2,000 rpm input, permissible average load torque, start-stop limits, momentary limits, backlash and mass. The two assemblies can share a nominal frame and ratio while having different integration requirements and weights. This directory documents frame 20 examples from each family, retaining the torque-speed condition and original technical source. Buyers should compare bearing support, hollow-shaft requirements and the permitted load cycle before selecting a robotic or automation joint.

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.

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.

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.

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 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.