Sewage valve installation method

1. Multi-way drain valve must be mounted vertically on the horizontal pipe. 2. The pipe cleaning, before installing the valve. 1. Turn the handwheel stem counterclockwise to drive the valve core to gradually move up and the sealing surface to disengage. The diversion seat on the valve core gradually ....

Double Star: Let the World Tire Change Color in China

In 1898, the world's first black rubber tire was born in Europe. Since then, experts in the European and American tire industry have always had an unimaginable luxury - making tires colorful. 113 years later, the 100-year technical problem that plagued the global tire industry was over ....

Calorimeter routine maintenance and maintenance knowled…

Calorimeter is an instrument for measuring the calorific value of solid and liquid flammable substances. It is widely used in coal, power, metallurgy, chemical industry, building materials, food, quality inspection, education, scientific research and other industries to test the heat of co ....

How does a hardware machine tool company stand firm?

Since the total output value of the Chinese machine tool industry has leapt to the top in the world. It is planned that by the end of the “Twelfth Five-Year Plan”, the Chinese hardware machine tool industry will achieve a total industrial output value of 700 billion yuan, and m ....

China Post Space Post Office opened

In the early morning of November 3, the Shenzhou 8 spacecraft successfully completed the rendezvous and docking with the Tiangong-1 aircraft, making it possible to transmit mail on the ground and in space. On the same day, Tiandi Post Road, the official postal service of the China Postal P ....

China will accelerate the standardization of sensor net…

Introduction: At present, the National Sensor Network Standards Working Group has completed public consultation on the six national standards. In the future, it will vigorously promote the new technology of sensor networks and accelerate the research results of transformation to promote th ....

Hangzhou Security Relying on Technology and Brand to Cr…

Compared with South China City Shenzhen, the security market in East China has been in a tepid state. However, in recent years, with the emergence of two major security companies in Hangzhou, more and more security personnel have turned their attention to East China. Although East China is famous fo ....