Sand Machinery Import and Export Co., Ltd. is a specialized valves and accessories sales and service international business company. We supply superior valves, actuators and accessories for a variety of industry applications, including power, oil production refining, petrochemical chemical, pulp and paper, tobacco, and water wastewater industries. We offer an optimized, integrated range of services and technologies designed to enhance valves and actuators performance improve the plant production capacity and efficiency and control the products quality strictly. We can help you to solve the actuation and adjustment problems of your valves to meet the control needs.