Beijing Auto Show Commercial Vehicles Exhibition


Compared with the mighty crowd at the Beijing Auto Show Passenger Vehicle Show (China International Exhibition Center), the Beijing Auto Show Commercial Vehicle Exhibition at the Agricultural Exhibition Center is undoubtedly a bit lost. Not only are there too few vehicle companies (more t.......

Shut-off valve of the purchase method and classification

In demanding applications will put forward the cut-off valve requirements, so the cut-off valve is an important function and use of internal quality indicators (cut-level classification and standards, see the relevant information). In the field of use, often there will be a good cut off the con.......

Ball valve evolution of the development and working principle

Ball valve is evolved from the plug valve. It has the same 90 degree rotation action, except that the plug body is a sphere with a circular through hole or passage through its axis. The ratio of the sphere to the channel should be such that when the sphere is rotated 90 degrees, the sphere shou.......

Motor vehicle parts are not certified without factory


This reporter (Reporter He Jun) had not obtained the certificate of approval of the product and was unable to leave the factory. Yesterday, a message came from the Chongqing Quality Supervision Bureau. From now until February 28 of next year, Chongqing will carry out a three-month machine.......

China's mini-car market Freda can reshape Changhe's glory


After a long period of preparation, Jiangxi Changhe Group Co., Ltd., with its strong financial strength and technology reserves, suddenly made efforts. After the early trial of economical Liane started to explore its sweetness, it recently introduced a more advanced and cost-effective Cha.......

Plastic machinery industry calls for high-tech joining

Director Li Jian of the Plastic Machinery Center of China National Light Industrial Machinery Corporation pointed out that in the situation that the export volume of China's presses exceeds half of the domestic output value, and the dependence of domestic industries on the international ma.......

About the basic knowledge of magnetic pumps

Overview

Magnetic drive centrifugal pump (hereinafter referred to as magnetic pump) is the application of modern magnetism principle, the use of permanent magnet magnetic torque transmission to achieve a new type of non-contact transmission, that is, the motor driven outer rotor (ou.......

Multinationals Acquiring Chinese Chemical Assets Intensify

As the fastest growing market in the world, China has always been the focus of investment by many multinational corporations. Compared with the establishment of wholly-owned subsidiaries, the acquisition and restructuring of Chinese chemical assets is a more direct and convenient way for multi.......