The State Administration of Work Safety recently issued a "Letter for Soliciting Opinions on the Revision of Two Criteria for the Safety Assessment of Hazardous Chemical Construction Projects (Draft for Solicitation of Comments)", among which the "Rules for the Safety Assessment of

Class C steel gears are mainly subjected to dynamic loads or impact loads during operation, so welds are required to have better overall performance. Due to the poor weldability of C-grade steel gears, cold/hot cracks are easily generated during welding. Therefore, several problems must be paid att

The flash dryer designed and manufactured by Zhejiang University of Technology was successfully applied to the drying of azithromycin intermediate erythromycin 6,9-imine ether. This equipment is designed and developed by Hangzhou Qianjiang Drying Equipment Co., Ltd. to overcome the problems of sta

According to FAW's website, FAW Jiefang Co., Ltd. strives to perfect itself in the production and manufacturing sectors, and provides excellent products to the market and users, while striving to create a perfect after-sales service system. Recently, a two-year data sampling and comparative su

Changzhou Guangyang Bearing Co., Ltd. is located in China's beautiful Jiangnan Water Village - Changzhou. She was founded in 1987, specializing in the production of all kinds of precision bearings such as needle roller bearings, cylindrical roller bearings, clutch release bearings, four-point

Passenger cars will also have safety collision standards. Recently, the first frontal crash test of passenger cars in China was completed at the traffic traffic test site of the Ministry of Communications. The model of the Ankai brand 12-meter full-load passenger car in the positive impact test per

Recently, Cai Dong, General Manager of China National Heavy Duty Truck Group Corporation, General Manager Yun Qingtian of Sales Department and Guo Jingshun, Deputy Director of Technology Center, conducted a field survey on the western market of Inner Mongolia. Cai Dong and his entourage went deep

Recently, Maoming Petrochemical Company and Sinopec Scientific Research Institute successfully used Middle East crude oil to successfully produce Grade 50 A-grade bitumen, which currently produces 892 tons. 50 grade A asphalt can significantly improve the road's robustness, high temperature s

Guangzhou-Zhuhai Urban Rail Suspectedly Caused Two-Hour Single-Line Outage of Diesel Generators Due to Cable Theft | Diesel Generator Price / 2012-04-10 Due to faulty equipment between Ronggui and Shunde College, at 13 o'clock on the 9th on the 9th, the Guangzhou-Zhuhai-Guangzhou-Zhuhai-

With the oil price officially entering the “8-yuan era” on March 20th, the cost of car owners’ cars is rising and the complaints are getting higher and higher. At present, it is easy to buy a car to raise a car, which has become a common problem that plagues car owners. Recently

Recently, the XG958II wheel loader of Xiagong Co., Ltd. was awarded the "2011 second-class award for outstanding new products in Fujian Province" by the evaluation committee of the Fujian Provincial Outstanding New Product Award. It is reported that the Fujian Provincial Outstanding New

Formation and realization of the tooth profile In the processing of the involute gear, most of the methods of hobbing are used. During the machining process, the axis of the gear hob forms an angle with the end face of the gear wheel blank (this angle is equal to the lead angle γ of the hob), an