Shenzhen Mech Valve Trading Co., Ltd. strictly selects the raw materials of water pressure reducing valve-double door wafer check 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.. We differentiate ourselves by enhancing the awareness of Mech Valve brand. We find great value in enhancing brand awareness on social media platforms. To be most productive, we establish an easy way for customers to connect to our website seamlessly from the social media platform. We also quickly respond to negative reviews and offer a solution to the customer's problem.. 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 Mech Valve. The test is based on our internal system which proves to be high efficiency in the improvement of service level..