GB/T 50430, full name 《Code for Quality Management of Engineering‑Construction Enterprises》, is a code formulated by the Ministry of Housing and Urban‑Rural Development to strengthen the quality management of engineering‑construction enterprises.

Customers in the construction industry within China applying for ISO 9001 certification must also meet the requirements of GB/T 50430 standard;

The certification basis standards indicated on the certification certificate obtained by engineering‑construction enterprises shall be: GB/T /ISO 9001 and GB/T 50430.

• In terms of bidding and tendering, the three certificates can improve bidding scores and increase the bid‑winning rate;

• Bring all enterprise work under control, optimize and consolidate business processes;

• Clarify responsibilities and interfaces among head office, branches and project departments;

• Realize standardized management of technical disclosure by engineering and technical personnel;

• Standardize incoming inspection and testing of raw materials;

• Strengthen supervision and standardized management for construction of concealed works such as various foundations and pipelines, as well as special works;

• Standardize document management for phased projects and completion acceptance;

• Strengthen and standardize the management of various construction drawings, records, forms and customer documents;

• Standardize the post‑qualification management for the "five key on‑site management personnel".

• Certification Application

• Contract Review

• Sign Certification Contract

• Develop Audit Programme

• Establish Audit Team: Prepare Audit Plan

• On‑site Audit Implementation

• Closure Verification of Nonconformities

• Review and Certification Decision

• Certificate Issuance

• Surveillance after Certification