Quan zhou Jing Long Machinery Co., Ltd. specializes in Gravity Casting Machine

Phone  :  86-15880902677  丨  86-13004834129

English
What are raw materials for sand core molds production?
2019-09-11
Quan Zhou Jing Long Machinery Co., Ltd. upholds a fearless spirit towards making mistakes and constantly seeks innovations. Based on that, we overcome various difficulties during the development. We gain numerous honorary qualifications in the industry. The superior geographical location and traffic convenience lay a solid foundation for Jing Long Machinery Company to develop sustainably in the following days. Jing Long Machinery Company always pays attention to customers. According customers' actual needs, we could customize comprehensive and professional solutions for them. Jing Long Machinery Company has a scientific management mode and great production capability. We carry out standard and scale production, so as to ensure that we could meet customers' needs for large-quantity orders of quality machinery. We can provide OEM/ODM services.

How about Shanghai Tongtai Fire Safety Technology Co., Ltd? Shanghai Tongtai Fire Safety Technology Co., Ltd. is a limited liability company (natural person investment or holding) registered in Xuhui district, Shanghai. the registered address is located on the second floor of Building 8, 481 naner Road, Zhongshan District, Xuhui district, Shanghai.The unified social credit code/registration number of Shanghai Tongtai Fire Safety Technology Co., Ltd. is 91310104630262128 P, and the enterprise legal person Jin Xuefeng is currently in the opening State.The business scope of Shanghai Tongtai Fire Safety Technology Co., Ltd. is: technical development, technical consultation and technical services in the field of fire protection engineering, installation, commissioning and maintenance of fire protection engineering and refrigeration engineering, interior decoration, sales of fire-fighting complete sets of equipment, daily groceries, wood, construction materials and decoration materials, development and sales o

What is the filter principle of air filter? 10 The filtration principle of the air filter separates liquid water, liquid oil drops in compressed air and filters away dust and solid impurities in the air, but cannot remove gaseous water and oil.The removal technology of particulate matter in Air mainly includes mechanical filtration, adsorption, electrostatic dust removal, negative ion and plasma filtration and electrostatic resident filtration.Mechanical filtration generally captures particles in the following three ways: direct interception, inertial collision, Brown diffusion mechanism, which has good Collection effect on small particles but large wind resistance. in order to obtain high purification efficiency, the filter element needs to be dense and replaced regularly.Adsorption is the use of large surface area and porous structure of the material to capture particulate pollutants, which is easy to block and has a more significant effect on the removal of gas pollutants;Electrost
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