How many Dajin caster castors and wheels suppliers are sold per year?
Zhongshan Dajin caster Co.,Ltd.upholds a spirit to be down-to-earth and fearless in the development. Now we have many honors and certifications. Dajinis located in the area of convenient traffic, with a great number of shopping facilities. This makes a convenient condition for transportation. With a focus on customers' potential needs, Dajinhas the ability to provide one-stop solutions. Dajinhas a group of R&D and technical talents. They are experienced, high-quality and highly innovative. They can quickly respond to customers' needs and design and produce products that satisfy customers. And we could provide efficient and high-quality OEM/ODM services.
I need to open a bottled water factory. what procedures do I need to go through and what water purification equipment is needed? what is the total cost? Water is the source of life,It is also the largest substance in the composition of organisms,Generally 50% of the weight of a person-70%,The average person's daily water intake is about 2500,The water in the form of juice liquid is about 1400.With the improvement of people's requirements for drinking water quality,People have developed from drinking natural water to tap water to drinking mineral water and purified water now,Because the water is polluted,It is also due to the development of society and the need to improve people's quality of life.The purity of pure water is very high,Is the water in a 'hungry' state,It is crystal clear,No pollutants,No bacteria or viruses,Remove carcinogens, inorganic minerals and harmful heavy met
How to treat industrial sewage? In addition to proper pretreatment according to water quality, food industry wastewater treatment,Biological treatment is generally appropriate.If the water quality of the effluent is high or the organic matter content in the wastewater is high,Two-stage aeration tank or two-stage biological filter can be used,Or multi-level biological turntable.Or the joint use of two biological treatment devices,Anaerobic can also be used-A biological treatment system in tandem with aerobic oxygen.The combustion method can recover sodium hydroxide, sodium sulfide, sodium sulfate and other sodium salts combined with organic matter in black water.The pH value of wastewater is regulated by neutralization method;Coagulation sedimentation or flotation can remove suspended solids in wastewater;Chemical precipitation method can be discolored;BOD can be removed by biological treatment,It is more effective for Kraft paper wastewater;The treatment of sulfuric acid pulp wastewater by wet oxidation