With the continuous development of the valve technology, valve applications continue to broaden Kaiheng Valve Co., Ltd. in Guangzhou, the corresponding valve standards are increasingly indispensable. Valve industry products to enter a period of innovation, not only the product category needs upgrading Shanghai and Shanghai Valve Manufacturing Co., internal management also needs to deepen reform in accordance with industry standards. Therefore, in the full use of existing standards, the future valve, developed new standards can be applied in the future and the new system in order to promote a higher level of valve technology development. Future valve industry will move two main directions: First, from a single species to multi-species and multi-standard development; the second is towards energy-efficient direction. Closing valves, throttle Shanghai Guanlong valve Machinery Co., valves, check valves and other valves are directional, if installed anti-flip the throttle will affect the results of life; valve simply can not afford to action, check or even dangerous. Generally valves, directional signs on the body; in case it does not, according to the valve works properly identified. Cut-off valve left-right asymmetry of the valve chamber, the fluid from the bottom to make it through the valve orifice, so fluid resistance (determined by the shape), open effort (due to media pressure up), after the closure of the media do not pressure filler, easy to repair . That is why the non-closing valve An anti-truth. Other valves also have their own characteristics. Shanghai and Shanghai Valve Manufacturing Co., Ltd. | valves | valve provided by the Dongguan Ming Kong, the Hong Kong Science and Technology Co., Ltd. valve. Valve Co., Ltd., Dongguan Ming Kong (www.gdmgfm.com) strong, credible, butterfly and other industries in Dongguan, Guangdong has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead valve and you work out of Hong Kong into the brilliant, for a better future!