
Wenzhou Ruishuo (Tinzer) is a family-inherited heavy-duty window regulator & window motor manufacturer integrating R&D, production, and sales. Tinzer provides premium system solutions for global commercial vehicles, American heavy-duty trucks, European heavy-duty trucks, passenger cars, and specialized vehicles. What do we manufacture and supply? 1. Truck & Bus Window Regulators, Window Motors & Wiper Motors Tinzer is a leading manufacturer specializing in high-performance window regulators and ...