Mainly there are pre-sale and after-sale services for custom filament light bulbs . The pre-sale service includes product quotation and custom service. The after-sale service includes solutions in use, maintenance and repair.

After years of development, Hangzhou Sehon Technology Co., Ltd. holds the lead in the developing, designing, and manufacturing of flat led light. Sehon Light Bulb 's led panel lights series include multiple types. Sehon Light Bulb has built and managed a team of professionals for outdoor flood lights. It doesn't have the problems of light attenuation and light spots. Owing to the years of production experience, the product is guaranteed to be of superior quality. It has a long service life and can work for at least ten thousand hours.

Sehon Light Bulb is endeavoring to make sure the quality of this service. Check it!