Ruian Tianze Mechanical & Electrical Co., Ltd. 

A Global Leader in Commercial Vehicle Window Regulators & Specialized Motor Systems

As an established auto parts manufacturer, TinzerMotor integrates R&D, production, and sales to deliver premium window regulators and specialized motor systems. With a focus on independent innovation, we provide reliable engineering solutions tailored for commercial vehicles, heavy-duty trucks, passenger cars, and specialized vehicles worldwide.

Core Product Portfolios & Global Compatibility

1. Truck/Bus Window Regulators, Window Motors & Wiper Motors

Tinzer is a leading manufacturer specializing in high-performance window regulators and window motors for the American heavy-duty trucking & European Trucking industry. 

North American Trucks: Independently developed hundreds of American-standard models' window regulator/window lifters and wiper motors, precisely matching heavy-duty trucks such as Freightliner, Kenworth, Mack, Peterbilt, Navistar (International), Terex, Westernstar,Oshkosh and American Volvo; light trucks such as Hummer H1, Hummer H2, Hummer H3, Ford F Series Pickups, Chevrolet Silverado, Ford and Chevrolet SUVs etc.

European & Japanese Trucks: Full-series coverage of truck window regulator/window lifters and wiper motors for Mercedes-Benz, Volvo, DAF, Scania, MAN, Iveco, Renault, Ford, Mitsubishi, Isuzu, and Hyundai.

Passenger Vehicles: Extensive range of premium window regulators & window motors provide precise fitment for a wide selection of mid-to-high-end passenger cars, including Mercedes-Benz, BMW, Land Rover, Ford, Hummer, Chevrolet, Cadillac, Hyundai, Kia, and Peugeot.

2. SUV & Bus Automation Systems & Components

Designed for business travel and specialized transport, Tinzer has developed a series of high-efficiency automatic door systems and electric step systems for easy access:

Electric Door Systems for Buses, Vans & School Buses: Door systems and opening gear motors for Mercedes-Benz, MAN, IC buses; BlueBird,school bus, Interna, as well as Mercedes-Benz Sprinter, Ford Transit, Iveco Daily Van, MAN TGE etc.

Electric Step Systems for SUVs & MPVs: Customized sliding, folding power step systems and running-board power step system for global SUV models, including complete power step, controller box and gear step motors.

3. RV Specialized Motors & Components

Demonstrating exceptional R&D in RV automation, our product line successfully replaces major North American OEM brands.

RV Power Awning Motors: Perfectly compatible with Carefree Longitude, Motorhome Power Awnings, Solera (Lippert), and Dometic.

RV Electric Step Systems: Independently developed electric step assemblies and specialized drive motors for various RV models.

RV Slide-Out Motors: Compatible with various slide-out mechanisms, featuring stable power, silent operation, and easy installation.

4. Civil, Agricultural & Industrial Drive Motors

Tinzer has been deeply involved in the R&D and production of drive motors across multiple sectors.

Industrial & Specialized Motors: Includes shift actuator motors for Snowmobiles/Jet Skis, fan speed control motors for agricultural machinery, and snow blower chute motors.

Civil Intelligent Drive Motors: Includes dc gear motors for smart clothes-drying racks, automatic feeding systems, and garage door-opening system. All motors are characterized by high stability, strong adaptability, and exceptional durability.

Why Choose Tinzer?

Operating IATF 16949-certified facilities, Tinzer delivers precision-engineered, OE-quality window regulators, window motors, wiper motors, door motors, awning motors, gear motors designed as exact, direct replacements for renowned European and American commercial vehicles. Trusted by premium brands across North America, Europe, and the Middle East, our highly skilled engineering team utilizes state-of-the-art performance testing instruments and a well-organized workflow system to provide customized R&D, seamless manufacturing, and reliable global supply.