"With unremitting efforts, the excess capacity of coal has been effectively resolved, the market supply and demand have been basically balanced, the industrial structure has been further optimized, the quality of economic operations has improved, and the efficiency has improved. This has laid the foundation for the coal industry to get out of trouble and transform and upgrade." This is November 21st. Information from the 2018 National Coal Trade Fair held in Qinhuangdao. According to the data reported by the meeting, since the beginning of this year, China's coal market has basically balanced supply and demand, and coal production, consumption and net imports have increased in different degrees. In the first 10 months, the national coal output was 2.853 billion tons, up 4.8% year-on-year; the net coal import was 220 million tons, up 12.8% year-on-year; the whole society coal inventory was reduced by more than 100 million tons; preliminary estimates, the national coal consumption was about 3.26 billion tons , a year-on-year increase of 3.7%. Wang Xianzheng, president of the China Coal Association, said at the opening ceremony that in recent years, China's coal structure adjustment has achieved remarkable results, and high-quality production capacity has increased rapidly. It is reflected in the following: Industrial concentration has improved. In the first 9 months, the output of the top 8 coal enterprises accounted for 38.92% of the national total output. The number of coal mines has decreased drastically. The number of coal mines in the country has decreased to less than 8,000 at present. More than 1,200 large-scale modern coal mines account for more than 75% of the country's total output; 59 large-scale coal mines with an annual output of 10 million tons have been built, with a production capacity of nearly 800 million tons. In the year; 47 intelligent mining coal mines were built. The supply pattern has been profoundly adjusted. In the first nine months, coal production in the four provinces of Shanxi, Shaanxi and Mengning accounted for 70.36% of the country's total output. Coal production in the country is increasingly concentrated in these areas. On the basis of the increase in coal production and price recovery in the country, the economic benefits of the coal industry have steadily rebounded. In the first nine months of this year, the main business income of coal enterprises above designated size was 2.01 trillion yuan; the total profit of 90 large coal enterprises (including non-coal) was 104.1 billion yuan. In addition, coal upstream and downstream integration development has also made new progress. On the basis of coal companies participating in the holding power plant of 180 million kilowatts, Shenhua Group and Guodian Group were reorganized into national energy investment groups; Jingyuan Coal, Yaojie Coal and Electricity, Gansu Coal Investment Company reorganized and established Gansu Energy and Chemical Group. Although it has begun to pick up, it should be noted that the problem of uneven development in the coal industry is still outstanding. At present, the situation of overcapacity of coal in the country has not changed fundamentally. The basis of balance of supply and demand in the coal market is still relatively fragile. According to the statistics of the Coal Industry Association, among the profits of 90 large coal enterprises, the top 10 profits are 83.3 billion yuan, accounting for 80%. Most enterprises are still on the verge of meager profit and loss, and the industry loses 20.7%. The phenomenon is more common. In addition, problems such as tight capital chain, heavy debt burden, and personnel resettlement still exist; some old state-owned enterprises have problems such as reducing wages of employees, defaulting on social security funds, taxes and fees, unbalanced mining relationships, and reducing safety investment. After nearly 20 years of coal market reform, the national coal market trading system has been gradually improved and improved, and promoted the formation of a "medium and long-term contract" system and "base price + floating price" pricing mechanism, in order to ensure a stable supply of coal throughout the country, It has laid a solid foundation for promoting smooth operation of the industry and improving the quality of economic operations. Wang Xianzheng said that from the actual situation of this year's operation, the coal marketization mechanism has basically been established. Statistics from the Coal Industry Association show that in 2017, the medium and long-term contract value of large coal enterprises in the country generally exceeds 80%, and the medium and long-term contract price of 5,500 kcal thermal coal in Qinhuangdao Port is stable at a reasonable interval of 560~570 yuan/ton. It is understood that on the first day of the fair, the medium and long-term coal contract was signed more than 130 million tons, and it is expected that the contract will exceed 70 million tons during the entire trade fair. From the perspective of foreign developed countries, the development trend of coal-electricity joint ventures and upstream and downstream integration is very obvious. Jiang Zhimin, vice chairman of the China Coal Industry Association, suggested that in the future, large enterprises should be gradually encouraged to establish a stable coal-electricity joint venture mechanism to ensure that energy prices are relatively stable. Lian Weiliang, deputy director of the National Development and Reform Commission, said that it encourages early signing, multi-signing, and signing of medium and long-term contracts. The number of medium and long-term contracts signed by coal and power generation enterprises above designated size should reach more than 75% of their own resources or purchases. Relevant departments will further study and formulate relevant incentive policies for coal-electricity joint ventures, support the priority of integrating coal-electricity joint venture projects into energy development plans, and support coal-fired joint ventures to preferentially release high-quality production capacity and nuclear production capacity. The experts at the meeting agreed that coal prices are expected to remain basically stable next year. Lian Weiliang pointed out that the overall supply of coal in 2018 is abundant, which is the basis for the stability of coal prices. "Related companies should not expect too high a price, nor be too sensitive to price fluctuations." Jiang Zhimin said.
Hydraulic Jack Cylinder
A hydraulic jack cylinder is a component of a hydraulic jack system that is responsible for generating the lifting force.
It consists of a cylindrical tube with a piston inside it. The piston is connected to a rod that extends out of the cylinder.
When hydraulic pressure is applied to the cylinder, it pushes the piston and rod forward, creating a lifting force.
This force can be used to lift heavy objects or vehicles. Hydraulic jack cylinders are commonly used in automotive repair shops,
construction sites, and other applications where heavy lifting is required.
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