As the main manufacturer of aluminium mashrabiya screens-stainless steel door handles, Foshan Topson Stainless Steel 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 Topson 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.. We pride ourselves with outstanding services that make our relationship with customers as easy as possible. We are constantly putting our services, equipment, and people to the test in order to better serve customers at Topson Stainless Steel Decorative Sheets&Metal Fabrication Works. The test is based on our internal system which proves to be high efficiency in the improvement of service level..