According to the latest statistics from the China Association of Automobile Manufacturers, the decline in profits of the vehicle manufacturing industry continued to expand in the first 10 months, a year-on-year decrease of 11.74%. At the same time, 3 of the 15 key companies (groups) suffered losses and 6 of them suffered negative growth. . Statistics show that the profits of the 5813 domestic companies in the first 10 months of the year still increased by 1.5% year-on-year, but the profits of 129 vehicle manufacturers fell by 11.74% year-on-year, the first time in six years. Among the 15 key enterprises, most for profitability decreased. Except that 6 companies continued to grow year-on-year, Brilliance Jinbei, Nanqi Group and Changhe Group had incurred losses. In addition, six companies including FAW, Hafei, Southeast, Jiangling, Dongfeng, and Qingling had negative growth in profits in the first ten months of this year. According to the analysis, the reasons for the decline in the profits of automotive companies have been the continuous decline in vehicle prices, sales continued to shrink and raw materials continued to rise. The industry believes that this year is the collapse of the price of the car, but the price cut does not help manufacturers to increase sales, but led to more serious currency holdings, sales fell and fell, and cut off the company's hope of small profits but quick turnover. Together with the continuous rise in raw materials this year, the profitability of auto companies is worsening. RDA, the Secretary General of the National Passenger Vehicles Association, predicts that only one passenger car will be used this year, and the pre-tax profit due to price cuts will be more than 20 billion yuan. This year, the average profit of the auto industry will also be reduced from 8.6% last year. About 5%. Experts in the industry expressed that although the price increase of raw materials and the national macro-control have affected the decline in car sales, the fundamental reason for the decrease in profits and even losses is the blind overestimation of market demand by companies and the continuous pressure from stocks to dealers. Not due to reason. Last year, the blowout market in the automotive industry made companies “ambitiousâ€. Especially for passenger vehicles that have been blowout for two years in a row, this year's row of production reached 3.5 million vehicles. Many companies’ expectations have even increased by more than 50%, and experts are most optimistic. It is estimated that there will be about 2.6 million vehicles, but there was no enterprise at that time worried about the excess capacity of nearly 1 million vehicles. The CLUCC confirmed that in the so-called blowout last year, there was a gap of 160,000 between the sales volume of passenger cars and the number of vehicles sold. It is reported that the 160,000 units were forced by the manufacturers for the sake of good performance at the end of the year, but the market did not digest them at that time. Worryingly, this year's practice of transferring stocks to dealers by such companies has reached the extreme. According to statistics released by the 12 major auto makers in November, the sales in the last two days of November accounted for 40% of the monthly sales of these companies. Some companies even made 60% of monthly sales in the last two days. This was achieved in the last two days by pressing stocks to dealers. Industry experts have warned that such unrealistic sales will allow more companies to drink their own brewed bitters.
The performance characteristics of the HDPE winding structure wall tube are as follows:
1. The hot state of winding forming welding joint quality is high.The flat material belt and U-shaped material belt extruded from the mouth die of the extruder in the melting state are evenly wound on the heated roller die according to the predetermined position, which ensures the quality of the fusion joint of the structure wall tube. In particular, in the structural design, the melt joint of the flat material belt is covered by a polyethylene-coated supporting tube, which improves the overall resistance to the external pressure of the product.
2. Good connection quality.
The pipe connection with excellent installation performance adopts the
embedded electric fuse in the socket with the same material socket welding
connection technology. It can achieve zero leakage, ensuring the same life span of the pipeline system and the safety of operation. At the same time, because the product under the condition of the same application as other tubes light weight, and is easy to transport, construction is convenient and quick, and can reduce the construction cost, in the range of applications, without a concrete cushion layer and concrete jaasiel groove can directly apply the tube after qualified, basically, stay do under excavation, side tube, while backfilling, simplifies the construction procedures, shortening the time limit for a project. During the project acceptance, the closed-air test is used instead of the closed-water test, which not only speeds up the acceptance but also saves the complicated work and a lot of test costs in the closed-water test
3. Good flexibility
High-density polyethylene winding structural wall pipe has macro flexibility, and the micro pipe section has strong rigidity and overall resistance to external pressure.
when used under heavy load road surfaces, it can ensure the safety of traffic. Due tothe flexibility of the pipe, it can also reduce the damage loss of the pipe to the minimum in the event of an earthquake, uneven surface settlement, and other geological activities. These characteristics improve the seismic mitigation ability of public facilities.
4. HDPE can be recycled, The main raw material of winding structure wall pipe
is green environmental protection products, such as high-density polypropylene, which doesn`t have any toxicity. There is no dye in the production process. The used pipeline can be 100% recycled. It is a green product of environmental protection.
5. Corrosion resistance, aging resistance, and service life span can be up to 50
years.
High-density polyethylene has the ability to resist chemical corrosion and
erosion. Therefore, when the winding structure wall pipe is conveying corrosive fluid or laying in corrosive soil, it does not need anti-corrosion treatment, and its performance is much better than other pipes. The product in the design process, chooses a reasonable product structure form, to ensure the service life span of the plastic pipe is more than 50 years, and no maintenance is needed in the life span.
6. Tube inner wall roughness, large water transfer around the structure of the
wall tube. Product inner wall roughness N is about 0.010, so the transmission of fluid has lower friction, compared to other products such as cement pipe with a similar diameter the water transfer is greatly improved. Therefore, the smaller HDPE tube can replace the larger cement pipes. In application, under the same conditions, using a wall pipe winding structure can have better reliability compared to the traditional pipe material. The comprehensive benefit is obvious, especially in the narrow construction site, high building density, underground pipeline, complicated traffic busy roads, and acid soil.
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