1. High luminous efficiencyThe luminous efficiency of LED itself has reached more than 130Lm /W, so the overall luminous effi...

1. When installing the ceiling light in the masonry structure, the embedded bolts should be used, or the expansion bolts...

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The flax shoots grow.Hemp is planted more often in the early spring when the soil temperature is above 8 C at 5 cm below the...

LED has many different characteristics from other electric light sources, which also makes it the first choice of energy savi...