With the standardization of numerical control equipment, this work has always been considered as a matter for equipment manufacturers in product design and production. Therefore, it is often not paid enough attention in the process of equipment maintena…

First, the introduction to the valve: The valve is used to control fluid flow, pressure and flow of devices. The fluid to be controlled may be a liquid, a gas, a gas-liquid mixture or a solid-liquid mixture. Valve usually by the valve body, valve cover, seat, opening and closing pieces, drive m…

With the implementation of the fuel tax and the strong protection of the over-control policy, the domestic heavy truck has achieved unprecedented development. It is estimated that the sales of heavy trucks will exceed 700,000 in 2010. It is expected that in the next five years, China…

According to news from the management committee of the Wuhan Economic Development Zone, under the attraction of the strong magnetic field of the Wuhan automobile industry, the international logistics giants are pouring into the Wuhan Development Zone to invest in the automobile logistics …

Pressure relief valve is a self-regulating valve, which through the valve trim, the inlet pressure down to the desired outlet pressure. When the import pressure and flow changes, with the elastic element and the transmission medium to maintain its own outlet pressure is basically the same. Pres…

The Heilongjiang Provincial Commission of Industry and Information Technology recently issued the “Implementation Plan for the Adjustment and Revitalization of the Petrochemical Industry in Heilongjiang Province”, clearly proposing the development goals of the petrochemical industr…