sgvalves.com,gate valve manufacturers china,During the production of gate valve manufacturers china, Sino Global Pipeline Construction Equipment Limited divides the quality control process into four inspection stages. 1. We check all incoming raw materials before usage. 2. We perform inspections during the manufacturing process and all manufacturing data are recorded for future reference. 3. We check the finished product according to the quality standards. 4. Our QC team will randomly check in the warehouse before shipment.
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Sino Global,Our company main produces barrel choke valve,choke valve assy,hydraulic adjustable choke valve.