From June 1st, it is forbidden to provide plastic shopp…

Circular of the General Office of the State Council on Restricting Production and Sales of Plastic Shopping Bags The State Council issued (2007) No. 72 The people's governments of provinces, autonomous regions, and municipalities directly under the Central Government, the ministries and comm READ MORE

The Main Problems and Countermeasures in Spring Wheat S…

The Main Problems and Countermeasures in Spring Wheat Seed Production Wang Xiulan Xu Yongtai Shen Qingling Zhao Desheng (Yuzhu County Seed Management Station, Qinghai Province 810500) Huzhu County is located in the northeast of Qinghai Province, with an average elevation of 2700m. It READ MORE

The General Administration of Quality Supervision, Insp…

Li Changjiang, director of the General Administration of Quality Supervision, Inspection and Quarantine, said on the 3rd that this year it will carry out centralized rectification of outstanding quality problems and continue to focus on quality supervision of key products, key regions and key links. READ MORE

January 2 Dalian Steel Market Price Quotes

Product Name Specification Material Steel/Origin Price (Yuan/Ton) Compared to Yesterday Last week General Line Φ6.5mm Q235 Tong Steel 4360 0-80 High Line Φ6.5-10mm Q235 Tong Steel 4400 0 -80 High Line Φ6.5- 10mm Q235 New Fushun Steel 4400 0 -80 High Line Φ6.5-10mm Q235 West Steel 4400 READ MORE

Error Compensation System: Method to Improve Machining …

There are usually two ways to improve the accuracy of gear machining, one is to improve the manufacturing accuracy of the machine tool, and the other is to use error compensation to improve the machining accuracy of the machine tool. The gear machining error is caused by errors in th READ MORE

Save energy and environmental protection equipment to e…

The product catalogs on preferential tax policies for environmental protection equipment such as water conservation and comprehensive utilization of resources, compiled jointly by the National Development and Reform Commission and the Ministry of Finance, are highly concerned by equipment manufactu READ MORE

Metal heat treatment process knowledge

The heat treatment process generally includes three processes of heating, heat preservation and cooling, and sometimes only heating and cooling processes. These processes are connected with each other and cannot be interrupted. Heating is one of the important processes of heat treatme READ MORE