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NEWS CENTER

Jilin Oilfield's Closed Core Sampling Guides the Potential Exploration in the Old Area


Since the beginning of this year, Daqing Petrochemical Company has been adjusting the material flow in the oil refining area based on the principle of "oil when appropriate, olefin when appropriate, and aromatics when appropriate", optimizing the production of self-produced heavy ethylene feedstock, and achieving efficient operation of the oil refining area facilities. From January to July, the overall ethylene yield increased by 0.12% year-on-year, and the overall yield of ethy

2025-8-29-


NEWS CENTER

The causes of leakage at the valve sealing surface


The sealing surface of a valve is its core component. The leakage forms of the sealing surface can generally be classified into several types, namely, leakage from the sealing surface, leakage from the connection between the sealing ring and the valve body, leakage caused by the detachment of the closing member, and leakage due to foreign substances embedded between the sealing surfaces. One of the most common uses of valves in pipelines and equipment is to cut off the flow of m

2025-8-22-

ENGINEERING APPLICATION

Chemical industry

The chemical industry is a large polluter because of its various types, complex processes, and diverse products, and the types, quantities and toxicity of pollutants discharged during production.

Oil and gas

With the increasing demand for oil and gas products around the world and the depletion of oil and gas resources, the collection, transportation and processing technology and requirements of oil and gas products become increasingly complex, costly and face more and more personalized technical requirements

Pharmaceutical industry

Pharmaceutical industry is an important part of China's national economy. It is a combination of traditional industry and modern industry, and one, two and three industries are integrated.

Metallurgical Industry

The valve used in iron metallurgy industry has strict working condition, poor sealing performance of valve, wear problem in production engineering causes pipeline aging and valve damage, which needs frequent maintenance and treatment. Therefore, due to the problems of short service life and high maintenance frequency of valve, it causes long shutdown time

Water treatment industry

The basic situation of water treatment industry, water resources is an important resource for human survival and social development. With the rapid development of China's economy, urbanization and industrialization process

Electric power industry

Electric power is a kind of energy which is powered by electric energy.Invented in the 1870s, the invention and application of electricity set off the second wave of industrialization

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