This document specifies the terms and definitions, structural types, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of passenger car window regulator guide rails. This document applies to aluminum guide rails for passenger car window regulators (hereinafter referred to as guide rails).
T/ZZB 2838-2022 history
2022T/ZZB 2838-2022 Passenger car window regulator guide rails