Sichuan Provincial Standard of the People's Republic of China
Latest
DB5101/T 44-2019
Scope
This standard specifies the terms and definitions of quality management of precast concrete box culvert production enterprises, quality management organizations, quality management requirements, inspection and testing capabilities and conditions, quality management of raw materials, quality management of the production process, inspection and testing, and the quality of factory products. Management, after-sales service. This standard applies to enterprises that produce prefabricated box culverts.