A few days ago, China Merchants Properties (Qinghai) Co., Ltd. issued a project procurement announcement, intending to seek consulting services for mixed ownership reform and employee stock ownership ...
Some investors asked Guoci Materials (300285). Hello, what is the current alumina production capacity of the company?What is the specific expansion plan?Thanks! The company replied, Dear Investor: Hel...
Types of Standards People’s Republic of China Building Materials Industry Standards Standard issuance unit Approved by the National Bureau of Building Materials Industry 1998-05-14 Standard stan...
The Development and Reform Commission of Yulin City, Shaanxi Province issued a notice on ensuring the completion of the 2021 energy consumption dual control target and task, and listed the key countie...
Introduction Of Electroforming Mould Electroforming mold refers to a special processing method that uses the principle of electrolytic deposition of metal to accurately replicate some complex or speci...
Prior to joining PTJ factory in January 2012, he was the Manager of zhilian, LLC in shenzhen, china At the same time he is one of the shareholders of the three materials companies. Link to this articl...
Five Prone Errors In Machining The size of the machining error reflects the level of machining accuracy. For mechanical machining plants, the first thing to do to ensure product quality is to control ...
The Methods Of Cut Trapezoidal Thread In most factories, one or more people are responsible for adjusting the machine, and then a special person is responsible for operating the machine. These people ...
How Engineers Design Parts That Require Heat Treatment? As a mechanical design engineer, when designing parts that require heat treatment, it is necessary to eliminate the casting stress of the materi...
Preparation Principle Of Anodized Aluminum Regarding anodization, the following will specifically explain the aspect of anodized aluminum, because it is in the knowledge system of anodization, so it c...
Classification And Structural Characteristics For Shearing Machine Shears belong to the category of straight-line shears, which are mainly used for cutting straight edges of metal plates of various si...
Building steel materials can be composed of various stress-bearing components according to different needs of the structure, and of course, they can also be used as connectors between components. It i...
On March 15, 2018, Clarivate Analytics announced the latest ESI data, covering the period from January 1, 2007 to December 31, 2017. Essential Science Indicators (ESI) is a basic analysis and evaluati...
With the rapid development of the national economy and the substantial improvement of people’s living standards, people’s demand for automobiles is increasing, and the market competition f...
standard encdoing Standard Chinese name Standard English name SY/T5215-87 Drill check valve GB/T12235-1989 Universal valve flange connection steel globe valve and lift check valve General purpose indu...
There are two deformation systems for temperature-controlled rolling: (1) Two-stage deformation system. Rough rolling is rolled in the austenite recrystallization zone, and the austenite grains are re...
Modern cold extrusion technology began at the end of the 18th century. The French began cold extrusion by extruding lead from small holes into bullets during the French Revolution. In 1830, some peopl...
Difference Between Anode And Chemical Oxidation Anodization, the knowledge and understanding of it, will continue to proceed because it is one of the website products, so it must be carried out, and i...
ASME commonly used terms Abrasion, allowance for wear, margin Accessibility, pressure vessels Access openings Allowance for corrosion, erosion, or abrasion Corrosion margin Erosion or/wear margin Appl...
1 Scope This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation and storage for drawing seamless copper water pipes and copper air pipes. This sta...
Nature and Science are the most authoritative academic journals in the world today, and their influence in the scientific community is self-evident; now let me take a look at the teams that frequently...
1. Re-pressing In order to improve physical and (or) mechanical properties, pressure is usually applied to sintered products. 2. Finishing sizing is the re-pressing in order to achieve the required si...
1. After the shift, the equipment in the process section shall be patrolled: ⑴P1～P17 whether the pump is running smoothly (whether there is vibration), whether the pressure is normal, whether there is...
When there is a pressure difference in permeability, the property of the rock to allow liquid and gas to pass is called the permeability of the rock, and the permeability is the quantitative expressio...
Note: 1. Iron loss P1. 0/400, Pl.5/400, Pl.0/1000, P0.5/3000 respectively indicate when the frequency is 400Hz, the magnetic induction value is 1.0T, 400Hz, 1.5T, 1000Hz , 1.0 and 3000Hz, 0.5T specifi...
On July 7, Chinalco Mining held the 28 mid-year work conference. Company leaders Cheng Yuncai, Li Guoqian, Sun Yuhe, Li Zhongliang, Wang Dongsheng, Gao Chunsheng, Shen Ziwei, Hu Dongyang, Pan Shoudao,...
According to the Autonomous Region Department of Ecology and Environment “Notice on Carrying Out the Department’s Leadership Subsidence and Subsidence Services to Promote the Region’s Ecological...
Product name Description Today’s price Yesterday’s price Ups and downs Date ADC12 Tax included 22900 22700 200 2021-09-16 AlSi9Cu3 Tax included 23200 23000 200 2021-09-16 A380 Ta...
Some investors asked Jiaozuo Wanfang (000612) why the full resumption of production efficiency is so slow!Every listed company strives to actively operate, when will you fully resume production?What p...
On August 3, the China Nonferrous Metals Industry Association held a press conference in Beijing, at which it released the list of the top 50 non-ferrous metal industry enterprises in terms of operati...
Chang Aluminium (002160.SZ) issued an announcement that the company aims to better adapt to the development trend of the new energy industry, accelerate the adjustment of the company’s internal produc...
On Thursday, the London Metal Exchange (LME) copper futures closed significantly lower, as the strong US dollar brought pressure, and the power restrictions in the number one consumer country also rai...
The following is the distribution changes of LME aluminum stocks in major global warehouses on August 8: (Unit: ton) location Inventory of the day before yesterday Warehousing Out of warehouse Today&#...
“High-energy-consuming industries such as electrolytic aluminum and industrial silicon are relocating from the east and west to the southwest region with abundant hydropower resources. For examp...
Difference Between Cylindrical Milling Cutter And End Milling Cutter Milling cutters are rotary tools with one or more teeth for milling. We are more commonly used to process planes on horizontal mill...
On an extruder without an independent perforation system, a tongue-shaped die (also called a bridge die) is used to plastically deform the solid billet to form various hollow material extrusion proces...