Shanghai Hong Song Precision Machinery Manufacturing Co. Ltd. - China

Mainly engaged in proportional valve, manual valve, overlay-type speed since the company's inception, been the product of the hydraulic analysis, research, drawing on the structure of the industry's advanced products and build a world-class products. At present, our products: in flow control, the newly developed control valve, the minimum flow rate can be set to 50ml/min, the use of pressure up to 25MPa, both pressure compensation and temperature compensation, quality, brand name, compared with Europe and the United States . At the same time the development of overlay-type one-way control valve and electromagnetic valve timing, the quality is also good. The pressure control, the development of overlay-type relief valve, the maximum working pressure may be to the 35MPa, overlay-type valve,  

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the minimum stable pressure up to 0.15MPa, the performance has reached world-class. In the direction of control, solenoid valve with five body cavity design is stable for use in 32MPa, over 10 million times durability tests to ensure the quality and stability. Pilot controlled check valve stability and working conditions also reached 32MPa, packing good effect. Our philosophy: do not accept the bad productDo not create bad products, not out of bad products. Down to earth, the concept of the lead, with the quality of speech. Integrity, professionalism, innovation and service. To create first-class brand SUNWAY.