Foshan Topson Stainless Steel Co., Ltd. strictly selects the raw materials of aluminum outdoor pergola-mashrabiya. We constantly check and screen all incoming raw materials by implementing an Incoming Quality Control - IQC. We take varies measurements to check against collected data. Once failed, we will send the defective or substandard raw materials back to suppliers.. To establish Topson brand and maintain its consistency, we first focused on satisfying customers' targeted needs through significant research and development. In recent years, for example, we have modified our product mix and enlarged our marketing channels in response to the needs of customers. We make efforts to enhance our image when going global.. To ensure that we meet the production goals of customers, our highly skilled service-oriented professionals will be available to help learn the details of products provided at Topson Stainless Steel Decorative Sheets&Metal Fabrication Works. In addition to that, our dedicated service team will be sent for on-site technical support..