Zhongshan good valve Co., Ltd strictly selects the raw materials of threaded ball valve-ball valve. 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 FLOS 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.. Our dedicated and knowledgeable staff have extensive experience and expertise. To meet the quality standards and provide high quality services at FLOS Ball Valve, our employees participate in international cooperation, internal refresher courses, and a wide variety of external courses in the areas of technology and communication skills..