How to choose a right supplier of solar street light?

How to choose a right supplier of solar street light?

The right supplier should be facories that have its own R&D team for developping and improving product, with strict quality control system assure the product match standard .  The supplier world top level key devices are carefully selected  & checked by quality inspection department before mass production, the light’s overall reliability is therefore strictly guaranteed.

For the same brightness solar power street light , Whos price is more competitive,  meanwhile,  life span is much longer, under same configuration, working duration in rainy/cloudy days is longer.