Taking Company A in the communications industry as an example, this paper introduces general strategies of supply chain quality management (SCQM). Company A implements supply chain quality management in accordance with the whole business closed-loop management philosophy and PDCA quality management principle. The focus of the work is to improve the quality of incoming inspection work. The company carries out special quality work in the procurement stage, delivery stage and construction and maintenance stage to make quality management control points cover the whole supply chain, so as to realize the implementation plan of total quality management covering the whole process.