UV sterilizer can be use in office,home. Use for surface sterilizing such as table, documents, etc, it can be also use as air sterilizer. Moreover, Ultraviolet-ray sterilizing is one of the cleanest, most non-pollution, non-chemical, without any color and odor and leaves no residue. Ultraviolet-ray is also able to kill virus and bacteria in a natural way. Still have an advantage is ultraviolet ray sterilizer volume is small, the home is used also very convenient. Uv Sterilizer Aquariumuv ,Ultraviolet Sterilizer,Coralife Uv Sterilizer,Best Uv Sterilizer JIANGMEN LEDERLIGHT LIGHTING Co.,LTD , https://www.spikelights.com
In the oil production operation, the serious wear of the oil suction pipe is an urgent problem to be solved. Daqing Oilfield proposed to install a nylon centralizer between the sucker rod and the pumping pipe and use flanges to limit its turbulence to reduce friction, improve the service life of the pumping pipe, and ensure that the strength of the sucker rod meets the standard requirements. We are based on the processing technology of long shaft forgings.