Export growth in September was not only higher than the 2.7% in August, but also higher than the median growth forecast of 5% given by economists. This is in complete agreement with the official PMI figures announced in early October. In September, the new export order index and import index reflecting the manufacturing foreign trade situation were 48.8% and 47.7%, respectively, up 2.2 and 0.7 percentage points from the previous month.
The monthly high of exports in September is nothing more than internal and external reasons. From the perspective of external economy, the US economic recovery is obvious. The launch of QE3 has enabled the United States to maintain a relatively abundant liquidity, boosting demand and consumption, and strong growth in foreign demand. The biggest benefit is China's exports. In the first three quarters of the decline in China's trade with Europe and Japan, the year-on-year growth rate of bilateral trade between China and the United States reached 9.1%. It shows that China's exports hit a new high in a single month in September, and contributed a lot to the US exports. A realistic factor is the impact of Christmas orders. China is a major producer of Christmas products in Europe and the United States. Export companies in the Pearl River Delta and the Yangtze River Delta have begun to receive new orders from Europe and the United States, including Christmas-related products.
From the perspective of internal factors, the state's policies and measures to promote the steady growth of foreign trade, along with customs, quality inspection and other departments have successively introduced relevant implementation rules, helping enterprises to save transaction costs, improve operational efficiency, ease operating pressures and tax credits to promote export preferential treatment. The positive effects of policies and other aspects are gradually emerging, and export incentive policies are being exerted. The above-mentioned internal and external factors have caused China's exports to show a good trend in September.
The single-month high of exports in September was an unexpected big surprise for the Chinese economy, and it gave the economy a good feeling of a long-lost snow. From the PMI in September to the better, the export data in September is more optimistic; from the Mid-Autumn Festival, National Day holiday tourism boom, driving rapid consumption growth, some industrial enterprises and SMEs business showing signs of improvement, indicating that China's economy is difficult and slow The ground is out of the trough and is getting rid of the continuing downward trend. According to a series of economic data analysis, especially in September, exports hit a new high in a single month. The author faintly saw signs of bottoming out in the Chinese economy in the third quarter. If this positive trend can continue, then China’s economy will be the latest in the fourth quarter. There will be a moderate recovery in the first quarter of next year.
Of course, the future situation of import and export should not be too blindly optimistic. In September, the total value of imports and exports increased by only 6.3%. The import and export growth of general trade in the first three quarters was 5.9%, which was lower than the annual growth target (10%) by 3.7 and 4.1 percentage points respectively. With only three months left this year, it is not difficult to complete the annual import and export target.
The unfavorable factor in external demand is that the European sovereign debt crisis is still fermenting, reflecting China's external demand. In the first three quarters of this year, the bilateral trade value between China and the EU fell by 2.7%. The Sino-Japanese Diaoyu Islands dispute has affected bilateral trade. In the first three quarters, the bilateral trade value between China and Japan fell by 1.8%. This downward trend is rapidly expanding. Among the three major trading partners of the US, Europe and Japan, the two major trading partners are in a slump, leaving the United States alone. According to the domestic economic situation in the United States, there is still uncertainty in Sino-US trade.
Therefore, from the perspective of external demand, China should actively participate in global economic affairs and work with important trading partners to promote the rapid recovery of the world economy, thereby restoring China's external demand. From the inside, we should continue to implement the policy measures introduced by the State Council in mid-September to promote the steady growth of foreign trade. In particular, commercial banks should give preferential treatment to export enterprises in terms of demand for credit funds and reduction of credit costs, so as to resume their sustained growth as soon as possible.
PEI plastics (polyetherimide plastics) is an amber transparent solid. It has an inherent flame retardancy and low smoke concentration without adding any additives. The oxygen index is 47%, and the combustion level is ul94-v-0, and the density is 1.28~1.42 g/cm3.
PEI plastics has a strong thermal stability, and even the non-enhanced PEI plastics still has good toughness and strength.Therefore, the high thermal stability of PEI plasticsis used to make high temperature heat-resistant devices.
PEI plastics has excellent mechanical properties, electrical insulation performance, radiation resistance, high temperature resistance and abrasion resistance, and can be used by microwave.The PEI plastics also has good flame retardancy, chemical resistance and electrical insulation.Vitrification transformation temperature is very high, up to 215 ℃.PEI plastics also has a very low shrinkage rate and good mechanical properties.Adding fiberglass, carbon fiber or other fillings to enhance the purpose of modification;And other engineering plastics of heat-resistant polymer alloys, can be in 160 ~ 180 ℃ under the working temperature of use for a long time.
The long-term use of polyether amines in the us underwriters laboratory is 338T and 356T (according to the grade), and the combustion rating reaches UL94V - 0 (10 mille thickness).The oxygen index is 47, and the polyetherimide is in line with the requirements of the aircraft for the requirements of the FAA's flame retardant and thermal release material standards.It has a glass transition temperature of 419F and is allowed to be used intermittently under 392F, at higher temperatures, resulting in a short-term shift.Under 356T, the tensile temperature and flexural modulus were above 41 and 2068MPa respectively.The material reinforced with Glass Fiber and carbon fiber has higher strength and rigidity under the transition temperature of glass.
PEI plastics long-term resistance to creep under high temperature and stress allows it to replace metals and other materials in many structural devices.PEI plastics shows good performance in variable temperature, humidity and frequency.The low dissipation factor at GHz frequency makes the polyetherimide have high microwave wearability.Its ionic pollutant is low, at 250F100 % R.H.And 207kPa after 120 hours of water extraction with the conductivity, at 20 megaohm, it can be used as an electronic sensor element insulation.
PEI plastics is a fine coating and film forming material which can be used for the coating and film of electronic industry, and can be used in manufacturing aperture < 0.1 mu m, with high permeability microporous diaphragm.It can also be used as high temperature adhesive and high strength fiber.
Application field
Since PEI plastics has excellent comprehensive and balanced performance, PEI plastics has been applied to the departments of electronics, motor and aviation, and used as metal substitute materials for traditional products and cultural life supplies.Using PEI plastics instead of metal to make optical fiber connector, PEI plastics can optimize the structure of the component, simplify its manufacturing and assembly steps, and maintain a more precise size.Used in automobile industry, such as high temperature fittings for manufacturing, the high power lamp and light, control the car cabin outside temperature sensor (air conditioning temperature sensor) and the control of air and fuel mixture temperature sensor (effective combustion temperature sensor).Also can be used for high temperature erosion of lubricating oil vacuum pump impeller, distilling apparatus that operate at 180 ℃ of ground glass joints (following), the lighting of anti fog light reflector.
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