Shenzhen Hongfa Automatic Door Co, Ltd. strictly selects the raw materials of door design-high speed spiral door. 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 expand our Hongfa brand, we conduct a systematic examination. We analyze what product categories are suitable for brand expansion and we make sure these products can offer specific solutions for customers' needs. We also research different cultural norms in the countries we plan to expand into because we learn that foreign customers' needs are probably different from those of domestic.. Our dedicated and knowledgeable staff have extensive experience and expertise. To meet the quality standards and provide high quality services at Hongfa Automatic Door, our employees participate in international cooperation, internal refresher courses, and a wide variety of external courses in the areas of technology and communication skills..