The "change" approach under the new situation of LED lighting industry


The future of LED lighting companies to survive. Every industry follows such a law, the survival of the fittest and the elimination of the weak. If you are not strong, elimination will be the final result. How to become a strong? This depends on how companies grasp opportunities and seek s.......

Gate valve common faults and preventive measures

1. Gate valve and valve leakage at the junction of the first check valve and gate valve bolts are tightened, if not tightened, the gasket ring and the flange seal groove surface is not fully integrated often lead to leakage. The bolts and nuts should be checked in sequence, tighten all bolts un.......

How to maintain the car?

How to maintain the car? Cars are now more and more popular, and more and more cars are currently running on the roads. It's really convenient to drive a car at a distance, but cars and.......

How to select flow meters for land oil fields and offshore oil fields

The selection of the flow meter is a systematic and scientific system engineering. Through analyzing the type, working principle, influencing factors and selection criteria of the flow meter, the correct selection of the type is performed in combination with the actual working conditions on the.......