The 19th China retail expo opened at the chongqing international expo center (CHINASHOP 2017).
Congratulations on the success of the 2017 chongqing snack exhibition!hank you for your support!laidishine has long aimed at business super lighting experts, for s...
It is understood that EMI is electromagnetic phenomenon has long been discovered . Some electrical , electromagnetic waves generated by the electronic device is working , it is easy for other electrical and electronic equipment around the formation of electrom...
The total luminous flux or the entire light-output is showed in lumen.This size is the only comparison measurement to compare better to worse light sources. If you asks for the energy efficiency, then the ratio of lumens per watt is important. Look for the spe...
