GPI SSL is more than an LED lighting product supplier we provide LED lighting solutions to meet your specific needs. With our rich experience in the LED industry and abundant resources in R&D and fundamental LED chip man......GPI SSL is more than an LED lighting product supplier we provide LED lighting solutions to meet your specific needs. With our rich experience in the LED industry and abundant resources in R&D and fundamental LED chip manufacturing, we are able to offer you LED lamps with direct replacement design and LED fixtures that are cost-effective.