Wenzhou Ruishuo Auto Parts Co., Ltd.

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

Wenzhou Ruishuo (Tinzer) is a family-inherited auto parts manufacturer integrating R&D, production, and sales. With deep industry heritage and robust independent innovation capabilities, we provide premium system solutions for global commercial vehicles, heavy-duty trucks, passenger cars, and specialized vehicles.

Core Product Portfolios & Global Compatibility

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

Tinzer possesses China’s most comprehensive range of window regulators and wiper systems for European and Japanese trucks. In recent years, we have achieved deep penetration into the North American market:

European & Japanese Trucks: Full-series coverage for Mercedes-Benz, Volvo, DAF, Scania, MAN, Iveco, Renault, Ford, Mitsubishi, Isuzu, and Hyundai.

North American Trucks:Independently developed nearly 100 American-standard models’ window regulator/window lifters, precisely matching heavy-duty trucks such as Freightliner, Kenworth, Mack, Peterbilt, Navistar (International), Terex, Westernstar,Oshkosh and American Volvo.

Passenger Vehicles:Hundreds of window regulators for mid-to-high-end cars, including Mercedes-Benz, BMW, LANDROVER, Hyundai, Kia, Peugeot, Cadillac.

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 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 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

We are 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 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 Wenzhou Ruishuo/Tinzer?

With ISO-certified facilities, Tinzer serves clients in Europe, America, and the Middle East through customized R&D and precision manufacturing. Tinzer has been recognized as a comprehensive supplier by our customers.

A team of highly-skilled and specialized professionals; coordinated and stable working force; latest multiple product performance test instruments; a highly efficient and well-organized workflow management system.

OE quality supplier to Domestic & European renowed brands.