Improvement of Oilfield High Pressure Gate Valve

Oil wellhead device (tree) gate valve is the largest amount of oilfield dedicated gate valve in the gate valve manufacturing process, the valve body hydrostatic strength test and sealing performance test pass rate is too low (30% ~ 70%), and has long plagued the production plant. In this pap

European bio-gasoline industry booming

In recent years, the international oil prices have remained high, leading to the continued growth of demand for bio-gasoline in the European market and the development of the bio-gasoline industry in Europe. According to the expectations of the European Commission’s European Directive f

Weichai: The engine management mode needs to advance with the times


On February 15th, Weichai Power held a conference and the Lean Six Sigma project was officially launched. The conference proposed Weichai to promote the Lean Six Sigma strategic objectives of the short, medium and long-term three phases, in order to cultivate a large number of management

First fertilizer company listed in Singapore

On June 20, Henan Xinlianxin Fertilizer Co., Ltd. was listed on the Main Board of the Singapore Exchange and became the first chemical fertilizer company listed in Singapore.
Henan Xinlianxin Chemical Fertilizer Co., Ltd. is one of the largest fertilizer production bases in China's Ce

NDRC approves a number of major steel projects

Drying equipment

The National Development and Reform Commission approved a number of major iron and steel construction projects such as Shougang, Zhanjiang, Guangdong and Fangchenggang, Guangxi.

Power battery market threshold low hidden risk

The new energy bus industry is currently at a stage of maturation. In this process, the electric vehicle battery technology line has also seen a hundred disputes. It is also a long-standing controversy among industry players about the advantages of Sanyuan lithium and lithium iron ph