A new type of thyristor speed regulating device applied to the DC line electric locomotives of chemical mines was successfully developed and put on the market in Hebei Hengshui Taichang Mine Electronic Equipment Factory. This product has filled a gap in China's mining machinery and electronics.

STX Engines announced that it has developed a marine black box (VDR) with independent intellectual property rights. Compared with other existing products, the VDR is compact and lightweight. It is 61 cm long, 58 cm wide, 21.5 cm high, and weighs 38 kg. It takes up very little space and can be used

Recently, under the guidance of foreign experts, the world's advanced three-dimensional wave-making system was successfully installed and commissioned in CSIC 702, which enabled the wave laboratory simulation of the institute to reach the international first-class level. As the basic research

Shanda Nano, a subsidiary of Shandong Shengda Technology (Group) Co., Ltd., recently achieved the listing and financing in the US OTCBB stock market through the APO model, thus becoming the first company in the nanomaterials industry to achieve overseas listing. As investors are very optimistic abo

“We really tasted the sweetness of the combination of production, education and research!” This was at the 2006 Shandong Production, Research and Development Conference held on the 30th of May. Shandong Lubei Chemical Co., Ltd., Yankuang Guotai Chemical Co., Ltd., and Shandong Bin The r

With its unique charm, Shanghai produces products with internationally renowned brands. Among them, the control valve in the automatic control system is one of them, making its special contribution to the development of the national automation industry. Shanghai Chongming Island, Shanghai Automation

Hyssion Specialty Chemicals, the world's largest manufacturer of thermosetting resins, claims that it is acquiring Rohm and Haas's global wax product business. However, the details of the transaction were not disclosed to the outside world. According to reports, Rohm and Haas's acquired

In 2006, the State Council promulgated the Outline of the National Medium- and Long-Term Scientific and Technological Development Plan, emphasizing that during the “Eleventh Five-Year Plan” period, it must place more emphasis on enhancing its independent innovation capabilities. As one

After entering the 21st century, great changes have taken place in the crankshaft of the engine in terms of manufacturing processes and tools. Leading the multi-knife turning process and manual grinding process for more than half a century, it is gradually withdrawing from the historical stage due

Foreword Heat pump is essentially a heat recovery unit, which absorbs heat from the low-temperature heat source and enhances the grade, and then heat at a high temperature heat source, to save high-energy rental. Since 1989, heat pump technology in China's application and development has entere

In recent years, host companies have been slashing price cuts, especially since 2006, and price reductions have become a promotional weapon frequently offered by vehicle manufacturers. The deeper and lower price whirlpool not only deeply involved vehicle manufacturers, but also quickly affected th

At present, there are many types of steam traps, but their working principle is to make use of the difference of the height, temperature and flow rate of steam and condensate water to realize the opening and closing of the steam traps through various mechanisms so as to achieve the purpose of blocki