As the main manufacturer of steel frame design-roof tower, Foshan Nanhai Guanheng Steel Structure Co.,Ltd carries out a strict quality control process. Through quality control management, we examine and refine the manufacturing defects of the product. We employ a QC team which is composed of educated professionals that have years of experience in the QC field to achieve the quality control goal.. We receive important feedback on how our existing customers' experience GH brand by conducting customer surveys through regular evaluation. The survey aims to give us information on how customers value the performance of our brand. The survey is distributed biannually, and the result is compared with earlier results to identify positive or negative trends of the brand.. Our dedicated and knowledgeable staff have extensive experience and expertise. To meet the quality standards and provide high quality services at GH Steel Structure, our employees participate in international cooperation, internal refresher courses, and a wide variety of external courses in the areas of technology and communication skills..