Xi 'an Yuanya Import and Export Trade Co., LTD

Xi 'an Yuanya Import and Export Trade Co., LTD

Business: coal, steel, grain and oil, glass products, daily necessities, etc.
Xi 'an Yuanya Import and Export Trade Co., LTD

Xi 'an Yuanya Import and Export Trade Co., LTD

Business: coal, steel, grain and oil, glass products, daily necessities, etc.
Xi 'an Yuanya Import and Export Trade Co., LTD

Xi 'an Yuanya Import and Export Trade Co., LTD

Business: coal, steel, grain and oil, glass products, daily necessities, etc.
Analysis of procurement cost control from the perspective of business process control

Analysis of procurement cost control from the perspective of business process control

Control In order to better and more effectively control procurement costs and improve procurement efficiency, it is necessary to control procurement work.Business procedures such as material procurement planning, procurement, personnel warehouse, and accounting settlement should be established, defining the main tasks and work procedures of each department in the material procurement process;At the same time, it is also necessary to innovate procurement methods and avoid the drawbacks of traditional procurement methods

2023-02-06

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Study on new fracturing and permeability enhancing technology for low permeability coal seams

Study on new fracturing and permeability enhancing technology for low permeability coal seams

The characteristics of the new hydraulic fracturing and permeability enhancement technology are introduced.More than 250 industrial tests have been carried out in mining areas such as Pingdingshan.The results show that the new hydraulic fracturing and permeability enhancement technology can increase the permeability coefficient of coal seams by nearly a thousand times, and increase the gas extraction amount of single hole by hundreds of times.It is an effective way to achieve regional outburst elimination in outburst coal seams

2023-02-06

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Research on coal mine safety management system based on refinement and autonomy

Research on coal mine safety management system based on refinement and autonomy

Coal mine safety is the top priority of national safety production work, and coal mine safety issues are the primary issues that must be addressed in coal mine production.In recent years, the state has taken a series of major measures to improve coal mine safety.The central government, local governments at all levels, and coal enterprises have also increased investment in coal mine safety, which has promoted the stable improvement of coal mine safety throughout the country.The death rate of coal mines per million tons has decreased.However, the situation of coal mine safety production is still grim, and coal mine safety has not been fundamentally improved

2023-02-06

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Practical Technology of Improving Fly Ash into Planting Soil

Practical Technology of Improving Fly Ash into Planting Soil

The research of this project adopts methods such as indoor analysis, mixing ratio screening of pots and containers, establishment of experimental and demonstration areas, and through methods such as fixed-point, positioning measurement, and on-site investigation, combined with technical means such as soil physics, chemistry, plant physiology, and biochemical testing, to study the feasibility of technical solutions.Grasp the physicochemical characteristics and change rules of three wastes under mixed mixing conditions, and make more accurate judgments on the effects of the mixture on plants under different conditions

2023-02-06

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Iron and steel tariffs cause costs to rise.US nail manufacturers may close at the end of the month

Iron and steel tariffs cause costs to rise.US nail manufacturers may close at the end of the month

According to CNN's financial website CNNMoney, the American nail manufacturer Mid Continental Nail is continuing to lay off workers in response to the cost increase caused by the Trump steel tariff.If this situation continues, the company may be forced to close by the end of September

2023-02-06

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Circular economy may promote the emergence of new ways of using steel

Circular economy may promote the emergence of new ways of using steel

Nae Hee Han, Director of the Economic Research and Statistics Department of the World Iron and Steel Association, said that the World Iron and Steel Association would hold a meeting in Brussels on September 10th on the topic of"the impact of circular economy on the steel industry"

2023-02-06

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Three level protection principle for dust

Three level protection principle for dust

In China, there are many industries and types of work that can generate dust, such as the mining and quarrying of metal and non-metallic mines, road construction, tunneling, and geological exploration operations in infrastructure construction, glass manufacturing, fire resistance, and building material processing industries.The links of crushing, grinding, packaging, transportation, etc.in the foundry industry

2023-02-06

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Daily crude steel production reaches a new high,increasing pressure on steel supply

Daily crude steel production reaches a new high,increasing pressure on steel supply

Under the dual impact of profit incentives and the pursuit of production scale, steel production is continuing to rebound and hit a new high in the last ten days.In addition to the historical social inventory, the supply pressure on the entire domestic steel market has further increased

2023-02-06

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Iron ore import will continue the negotiation mechanism

Iron ore import will continue the negotiation mechanism

China's iron ore imports will adhere to the negotiation and coordination mechanism.On the 8th, Zhu Jimin, a deputy to the National People's Congress and the new chairman of the China Iron and Steel Industry Association, said that in the future, China's iron ore import price will continue to be negotiated through a mechanism

2023-02-06

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