Anhui Shengxin Aluminium Corporation Limited/Horus Huang Being in China and always paying attention to the news of the epidemic, I hereby report the actual situation of the epidemic to all overseas friends as below. The major turning point of the epidemic was around January 20 and 21. The seriousness of the growth of the epidemic attracted official attention. Wuhan was closed on January 22. Wuhan has a total population of 14 million. 5 million left before the city was closed. 70% of the outflow population has reached the cities around Wuhan in Hubei Province. Because Wuhan is the capital of Hubei Province, there are many people from other area of Hubei province working and studying in it. 30% of the population travelled to other regions of China( their hometown). Because of China's highly developed network, the severity of the epidemic immediately received the attention of the whole nation people. From January 25, almost all families in China and even in rural areas were isolated at home spontaneously. Relatives and friends start stopping visiting with each other. Since then, there have been very few pedestrians on both urban and rural roads, even those with masks. And the people who came from Wuhan, because of China's highly developed big data, mobile payment, real name ticket system, everyone is quickly tracked, accurate to everyone, even to remote mountain and rural areas. The staff of each grass-roots organization of the government visit and check their body temperature at their home every day. Fortunately, because of the traditional Chinese Spring Festival holiday, no one has to move out because of work except the government and community workers. Also because of the Spring Festival, every family and all markets have enough food in reserve. At present, 99.99% of the increasing number of infected people are infected before January 24, because the incubation period of the disease is 1-14 days. This week, and the next week, will be the peak number of infections. After that, it will gradually decline. In fact, according to today's epidemic data report, there has been a turning point, and the newly increased number of healers has exceeded the newly increased number of deaths. The data will gradually improve. A week later, before February 7, all those who have been infected will become ill and be sent to hospital. And no disease means no infection. Except for Hubei Province, all of Chinese companies will resume production on February 10. Thank you for your concern to us, and Happy Chinese New Year! Horus Huang Jan 30th, 2019
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Most modern factory floors require workbenches, and many stainless steel and wood workbenches have been replaced by aluminum profiles. As a manufacturer of aluminum profiles and workbenches, let me first talk about what aluminum profiles are. Aluminum profiles are aluminum alloy materials with different cross-sectional shapes obtained by hot-melting and extruding aluminum rods. The production process of aluminum profiles mainly includes three processes: casting, extrusion and surface treatment. Among them, the surface treatment mainly includes: anodizing, electrophoretic coating, fluorocarbon spraying, powder spraying, wood grain transfer and other processes. Next we compare aluminum and steel. In the manufacturing sector, steel has always been a popular material because it is cheap and has a wide range of applications. However, steel also has many disadvantages, which are time-consuming and labor-intensive. And the steel connection needs to be welded, which costs a lot of money. In addition, the processed materials often cannot be completely matched, so it is necessary to reprocess them. When reprocessing is performed, even the re-investment of the machine is needed, which virtually increases the cost. And steel is much heavier than aluminum, which makes transportation and installation less convenient. Therefore, despite the low production cost of steel, inflexible processing can lead to shorter life and double production costs. Steel also needs regular anti-corrosion treatment, which still requires a lot of cost. The inflexibility of processing and the costs associated with high transport weights make it unprofitable to re-use materials that are no longer needed. But with aluminum, the situation is completely different. The material is highly flexible both in manufacturing and in use. Using aluminum will be more economical and environmentally friendly than steel. And the weight of aluminum is extremely light, only one third of steel, so the price is almost the same as steel. And also has a certain load-bearing capacity. The machining process is very simple, no special machinery and equipment are needed, and no deep training of employees is required. In addition, the aluminum profile workbench does not need to be welded, and is connected with a special matching connector, which can be disassembled and assembled at will to achieve secondary use. In addition, no corrosion protection measures are required, which reduces maintenance costs. Therefore, aluminum can be used instead of steel when the load requirements are not very high.
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The Aluminium Formwork System for concreting is probably the most versatile modern construction system. Unlike other systems it is equally suited to both high and low rise construction. Specifically designed to allow the rapid construction of multiple unit projects at optimum productivity, the aluminium formwork can be used for a broad range of applications, from straightforward panels to more complicated structures involving bay windows, stairs and A/C hoods. The degree of pre engineering and inherent simplicity of the aluminium formwork enables unskilled foreign labour to be used. Every component is light enough to be handled by one operative, minimising the need for heavy lifting equipment. The Formwork is specifically designed to allow rapid construction on all types of architectural layouts. 1.Total system forms the complete concrete structure 2.Custom designed to suit project requirements 3.Unsurpassed construction speed 4.High quality finish 5.Cost effective for mass production 6.Panels can be reused over 100 times 7.Erected using unskilled labour 8.Light weight, easy to handle 9.Low waste
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1. Anodizing: it can form a porous oxide film with a hardness of up to 500 HV; the oxide film with a porous structure can also absorb lubricants and pigments to enhance the corrosion resistance and wear resistance of the surface of the material; Insulation effect, can prevent breakdown voltage greater than 30V / μm; strong high temperature resistance, can withstand high temperature of 1500 ℃; use good adsorption capacity can be oxidized and colored into various decorative colors, widely used in aerospace, electronic appliances, Construction of various aluminum profiles and building decoration. 2. Electrophoretic coating: water is used as the dispersion medium, and the amount of co-solvent is small, which reduces the pollution of air and water, and there is no danger of fire; the paint has good swimming permeability and can cover the edges and gaps of aluminum profiles. Forms a dense and uniform oxide film, and the overall anti-corrosion ability is very strong; the appearance quality is high, no sagging phenomenon occurs, and no solvent is condensed on the surface of the profile to form a poor appearance; the advanced RO circulation system is adopted, so that the coating recovery rate is 98% More than%, waste water discharge is small, which not only saves chemical coatings, but also reduces environmental pollution. 3. Powder coating: The molecular weight of the resin used in powder coating is larger than that of solution-type coating, which makes the surface of the aluminum profile have good chemical resistance. The powder coating can obtain a coating of 50-300μm, which greatly reduces the number of painting It saves working time, there is no droop phenomenon and pinhole defects caused by solution-type coatings during coating, and it is possible to obtain better film layers to make aluminum profiles sturdy and durable; the colors are colorful and the decorative effect is improved; for aluminum The quality of the surface of the substrate and the quality of the pretreatment are not as strict as the first two treatment methods.
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Defect characteristics of surface cracks on aluminum profiles: The surface of aluminum profiles exhibits longitudinal, fish-like, repetitive, intermittent breaks, which are severely disconnected. Causes of surface cracks in aluminum profiles: (1) The extrusion coefficient of aluminum profile is too large, the extrusion temperature is too high (rod, barrel, die three temperature), and the extrusion speed is too fast; (2) The squeezing force is unstable, suddenly high or low, or the speed difference between multiple speeds is obvious, and the speed change is sudden when shifting; (3) When the aluminum alloy profile is extruded, the head end presses (presses) too fast, the tail end runs or does not decelerate, and a large amount of aluminum penetrates into the dead zone; (4) The quality of the rod is poor, the rod is overburned, large grains, and loose. Pressure surplus (V3 aluminum) is too thin; (5) The design and manufacturing of the extrusion mold with a severe flow velocity ratio is unreasonable. Elimination of surface cracks on aluminum profiles: (1) Profiles with excessive extrusion coefficients can be produced on a small machine with an appropriate extrusion ratio; in addition, the extrusion temperature must be controlled strictly according to the production process requirements and an appropriate extrusion speed must be used; (2) The operator is concentrated, the speed is stable, the pressure cannot be high or low, and the manual operation is coordinated when changing gears; (3) The front and rear ends of the aluminum profile stoppage are dead zones or V3 volume (aluminum rod surface) aluminum, which has many impurities, poor quality, and insufficient viscosity, so the extrusion speed of the head and tail of the profile should be slowed down; (4) The surface of the aluminum rod should be fine and clean without oil stains, the internal organization must meet the standards, and the pressure surplus should remain normally (5% of the rod length); (5) The designer of the extrusion die shall design and manufacture a qualified die with uniform flow velocity.
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