The original wooden door is generally not as stable as the solid wood door structure, because the single tree stress is greater than the laminated material, it is easy to deform, and the original wooden door is more expensive. It is recommended to choose the brand manufacturer's products,
Read moreProfessor Li Zhengxin, deputy dean of School of Materials Science and Engineering, Henan University of Technology, develops tools in the late 18th century. Carbon tool steel cutters have a heat-resistant temperature of 200 ° C and a cutting speed of 6-10 m/min. The cylinder head and end face
Read moreThe quality of solid wood doors is qualified. Many people have no choice when choosing solid wood doors. First, they do not know the material of solid wood doors. Second, they do not know the details of the quality of solid wood doors. Many people choose the solid wood door when they buy it. T
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Read moreAccording to data released by the National Bureau of Statistics and the China Federation of Logistics and Purchasing on October 1, the China Manufacturing Purchasing Managers Index (PMI) was 49.8% in September, up 0.6 percentage points from the previous month, close to the critical point, and was
Read moreBeijing time on October 6 morning news, Reuters quoted informed sources on Friday reported that China National Machinery Industry Group (referred to as SINOMACH) has submitted a tender offer to German competitor MAG Group, showing Chinese companies for mergers and acquisitions in Europe The inter
Read moreAccording to a recent report by the Physicist Organization Network, recently, Monash University in Australia and researchers at Rice University in the United States collaborated to use a graphene film that is invisible to the naked eye as a coating to enhance the corrosion resistance of copper by
Read more[China Aluminum Network] Chemical polishing of aluminum and aluminum alloys is based on a 70% (mass percentage) phosphoric acid based solution. Commonly used is a mixture of phosphoric acid, nitric acid, and sulfuric acid. When the alloy composition changes, the sulfuric acid content (mass percenta
Read moreGinger is also known as ginger. It belongs to the genus Zingiberaceae and is a perennial herbaceous plant. It is cultivated in China as an annual economic crop and is an important vegetable variety of special products in China. In the cultivation process, ginger is often harme
Read moreThe Japan Aerospace Exploration and Development Agency plans to launch a new rocket "Epsilon" No. 1 machine next year. The rendering of "Epsilon" is provided by the aerospace agency. According to a report by the Japan Kyodo News Agency, the Japan Aerospace E
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Read moreOn the 30th, the domestic polyethylene market continued to oscillate and the overall transaction volume was small. International crude oil fell overnight, ethylene monomer fell sharply, LLDPE** performance is poor, affected by this news, the spot market buyers are mostly holding their own
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