In July 2013, the Quality Supervision Office of Liaoning Provincial Bureau of Quality and Technical Supervision entrusted Liaoning Provincial Product Quality Supervision and Monitoring Institute to Wangping Pipeline Industry on September 24, 2013, in accordance with the "Implementation Standards for Product Quality Supervision and Spot Inspection", "Relevant Requirements for the Work of Liaoning Provincial Product Quality Supervision and Spot Inspection Institutions" and related product standards. Samples of some products produced by the company are sampled.

After sampling inspection, the PPR hot and cold water pipes, PVC-U PVC drainage pipes and other products produced by Wangping Pipe Industry passed all the project tests at one time, and met the national standards. On November 11, 2013, the provincial supervision and spot check qualified inspection report was issued. In July 2013, the Quality Supervision Office of Liaoning Provincial Bureau of Quality and Technical Supervision entrusted Liaoning Provincial Product Quality Supervision and Monitoring Institute to Wangping Pipeline Industry on September 24, 2013, in accordance with the "Implementation Standards for Product Quality Supervision and Spot Inspection", "Relevant Requirements for the Work of Liaoning Provincial Product Quality Supervision and Spot Inspection Institutions" and related product standards. Samples of some products produced by the company are sampled.

After sampling inspection, the PPR hot and cold water pipes, PVC-U PVC drainage pipes and other products produced by Wangping Pipe Industry passed all the project tests at one time, and met the national standards. On November 11, 2013, the provincial supervision and spot check qualified inspection report was issued.