In the first half of the year, the sales data of the auto market showed that the A-class car, as the largest market segment in the domestic market, continued to maintain strong growth while the market continued to adjust. According to the statistics of the National Passenger Car Association: In July, the wholesale of Class A passenger cars was 586,600, accounting for 59.59% of passenger cars, up 3.22% year-on-year, and sales increased by 17% year-on-year. Retail sales also increased by 11% compared to the same period last year.
The growth of the A-class car has driven the launch of Shanghai Volkswagen's new LaVida and Beijing Hyundai Langshi in the summer. At the Chengdu Auto Show, which opened on August 31, Dongfeng Kia K3 and other models will also be unveiled. Different from previous years, A-class cars have extended their wheelbase to “A+†and carried out comprehensive technical updates.
Intermediate car collective "long"
According to the data released by the China Automobile Association, in the sales statistics from January to July this year, Fox entered the top ten of the car sales with 128,800 vehicles and Laguna to 119,500 respectively. The “A+†ushered in a comprehensive rebound.
Whether it is New Sylphy, New Focus, New Sagitar, or the new LaVida, Langdong, FAW-Volkswagen, Shanghai Volkswagen, Beijing Hyundai, Dongfeng Nissan, Changan Ford and other major joint ventures, this year, the A-class family car will be replaced. At the time, all the transitions to the “A+ level†were carried out, and the wheelbase entered the 2.7-meter range.
The Dongfeng Yueda Kia K3, which will be unveiled at the Chengdu Motor Show, has a wheelbase of 2.7 meters as a replacement for the Cerato and Freddy. It is very similar to the "King of the same door" K5 (the wheelbase of 2.795 meters). In order to compete for the “A+ level†market segment, Dongfeng Yueda Kia has locked its pricing at RMB 110,000-140,000.
Technology upgrades into a general trend
In addition to dimensional changes, the latest technologies such as turbocharged, ESP, in-cylinder direct injection, dual clutch transmissions are also commonly used in these new "A+" models. Volkswagen is used in Latitude and Sagitar's "T+DSG", Changan Ford is used in the new "T+Powersh-fit", and Shanghai GM is used in Cruze and Buick Hideo's "T+6AT". The competition in this market segment has gone from shape to technology and new competition.
To this end, on the eve of the Chengdu Motor Show, Dongfeng Peugeot also released a 1.6T engine. The engine developed by PSA and BMW will be launched on the crossover model 3008. In 2013-2014, Shenlong will also launch a 1.8L CVVT technology engine, a 1.8THP turbocharged direct injection engine, and a new generation of 1.2THP engines worldwide. In the future, this market is not enough to participate in competition simply by introducing models and not updating the technology as a whole.
HEPA is High Efficiency Particulate Air, so a HEPA filter is a High Efficiency Particulate Air Filter, also known as high-efficiency particulate absorbing filter and high-efficiency particulate arrestance filter,is an efficiency standard of air filter.
Filters meeting the HEPA standard must satisfy certain levels of efficiency. Common standards require that a HEPA air filter must remove-from the air that passes through-at least 99.95% (ISO, European Standard) or 99.97% (ASME, U.S. DOE) of particles whose diameter is equal to 0.3 μm, with the filtration efficiency increasing for particle diameters both less than and greater than 0.3 μm.[8] HEPA filters capture pollen, dirt, dust, moisture, bacteria (0.2-2.0 μm), virus (0.02-0.3 μm), and submicron liquid aerosol (0.02-0.5 μm).[11] Some microorganisms, for example, Aspergillus niger, Penicillium citrinum, Staphylococcus epidermidis, and Bacillus subtilis are captured by HEPA filters with photocatalytic oxidation (PCO). HEPA is also able to capture some viruses and bacteria which are ≤0.3 μm. HEPA is also able to capture floor dust which contains Bacteroidia, Clostridia, and Bacilli. HEPA was commercialized in the 1950s, and the original term became a registered trademark and later a generic trademark for highly efficient filters. HEPA filters are used in applications that require contamination control, such as the manufacturing of hard disk drives, medical devices, semiconductors, nuclear, food and pharmaceutical products, as well as in hospitals, homes, and vehicles.
HEPA Filter is divided intoDeep-pleated HEPA filter and Mini-pleated HEPA filter.
Deep-pleated HEPA filter
Specialty:
* Collecting 0.3 Micron or below particles and used as the terminal filtration.
* Deep-Pleated HEPA filter is processed by super fine fiberglass media or PP media separated by sized paper or aluminum foil with new polyurethane gasket, there is MDF, galvanized steel, stainless steel, aluminum frame available.
* Each HEPA Filter is individually tested via PSL particle, Using MPPS (DOP Test) laser particle counting device to measure overall efficiency of the filter.
* It is featured with high efficiency, low resistance, high dust holding, long working life, easy installation.
* Temperature resistance: 80℃, relative humidity is 80%.
Application:
It is widely used as terminal filter in top grade purifying equipments of Electronics Factory, semiconductor, precision, mechanism, pharmaceutical factory, hospital, food sanitation etc.
Mini-pleated HEPA filter
Specialty:
* Mini-pleated HEPA filter can collect 0.3 Micron or below particles and used as the terminal filtration.
* It is processed by super fine fiberglass media separated by hot-melt adhesive with double polyurethane gasket. Inside sponge can avoid any leakage. Injection molding mesh can protect the inside media very good.
* The pleated type can form a ventilation channel, increase filtration area and airflow, decrease the resistance.
* It is featured with high efficiency and dust holding, low resistance, uniform airflow, easy installation.
* It is individually tested via PSL particle, Using MPPS (DOP Test) laser particle counting device to measure overall efficiency of the filter.
* Temperature resistance: 80℃, relative humidity is 80%.
Application:
Mini-pleated HEPA filter is widely used as terminal filter in top grade purifying equipments of Electronics Factory, semiconductor, precision mechanism, pharmaceutical factory, hospital, food sanitation etc.
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