China National Chemical Corporation plans to identify the new chemical material industry as a key d......
The water-soluble PVA film technology developed at room temperature by Fujian Yongan Sanyuanfeng Wa......
It is reported that at the request of users, the recent cold rolling mill of Handa......
The RD-QCllK-14x12000 CNC Shearing Center developed and produced by Tianshui Forgi......
The China Railway Second Bureau and the China Railway Engineering Machinery Resear......
Cummins scored a record high in 2006, maintaining double-digit growth for three consecutive years,......
The midseason rice production in the middle and lower reaches of the Yangtze River has en......
For the forthcoming "Eleventh Five-Year" development plan for the automotive industry, t......
On February 27th, at the National Science and Technology Awards Conference held in......
The vertical movement of the sucker rod or the cable drives the downhole piston pump to work. From ......
Abstract: Air source heat pump technology is based on the reverse Carnot cycle principle to establi......
Operating Life Operating butterfly valves are used more than 10,000 times and are still "breath......