Double Star Group's Rural Strategy Brings Different Results


In the past year, the Double Star Group has achieved sales revenue of 8 billion yuan and foreign exchange earnings of 170 million US dollars. Most of these figures are based on the production bases they set up in the countryside.

The new role of the New Star Country Group in the

Yanhua environmental protection type cumene production technology won

The Yanshan Petrochemicals Chemicals Division has achieved remarkable results in its independent innovation and promotion of clean production. The project “R&D and industrial application of complete sets of cumene clean production technology” jointly completed

Survival of auto parts companies is worrying


At the Second China Auto Parts Purchasing, Supporting and Marketing Development Forum, Wang Dengfeng, vice president of the Automotive Engineering Institute of Jilin University of Technology, pointed out that to take a good path for the development of China's auto parts industry, it i

Check valve slow closing structural design

Abstract: Aiming at the problem of water hammer and boost in the use of check valve of common structure, a design scheme of adding auxiliary valve with slow closing is proposed. The improved product has the function of opening and closing smoothly and reducing the pressure of water hammer. The