Shenzhen Yuan Feng Xing Ye Technology Co.,Ltd. strictly selects the raw materials of silicone bottle-silicone no tie shoelaces. 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.. We receive important feedback on how our existing customers' experience Mitour Silicone Products 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 Mitour Silicone Products. The test is based on our internal system which proves to be high efficiency in the improvement of service level..