Use high quality, low power consumption LED (Taiwan Epistar LED chip), 100% copper wire, with cold-resistant, our products can be used in -35~40 Celsius degree. All the LED lights must pass cold-resistant, high temperature resistance with current test and wire aging test.
　　
　　Besides, our company conforms to ISO9001 standards and our products have gained CE, RoHS, SGS and UL relevant certifications.