2015 outdoor lighting market is close to 15 billion yuan


Thanks to the strong promotion of the Guangdong Provincial Government, the number of tenders for LED street lamps in Guangdong has increased significantly since the beginning of this year. The number of tenders in the first quarter has even exceeded the total of last year. In this context,.......

Autonomous methanol to olefin technology will go abroad

The independently developed methanol-to-olefin technology in China has begun to receive the attention of the international petrochemical industry. After six months of exchanges and negotiations, Shaanxi Xinxing Coal Chemical Technology Development Co., Ltd. and the United States Lums Corporati.......

--quartz

β-SiO 2

Β- quartz is stable at 573-870 °C under normal pressure, and becomes tridymite when the temperature is high. When the temperature is less than 573 °C, the displacement is converted to α-quartz. Most of the beta quartz now s.......

Fluorite ore dressing technology

Fluorite is an important industrial raw material with a wide range of uses. A Inner Mongolia fluorite containing 63.93% of CaF2, fluorite disseminated grain size finer, the gangue minerals are mainly quartz.......

· More than 20,000 defective cars were recalled

Recently, Ford Motor (China) Co., Ltd., Subaru Motor (China) Co., Ltd., and Jaguar Land Rover (China) Investment Co., Ltd. successively filed a recall plan to recall 22,894 defective cars in China.

It is reported that because the steering wheel fixing bol.......