old time light bulbs old time light bulbs of Hangzhou Sehon Technology Co., Ltd. keeps getting better not only in its functionality but also in its design because we believe that a more aesthetic and user-friendly design can help users more comfortable in using the product. We carry out interviews and online questionnaires with users from time to time to understand their latest demand for appearance and performance, which makes sure that our product is closest to the market need.
Sehon old time light bulbs In the production of old time light bulbs, Hangzhou Sehon Technology Co., Ltd. always pursuits the principle that product quality begins with the raw materials. All the raw materials are subjected to dual systematic inspection in our laboratories with the help of advanced testing equipment and our professional technicians. By adopting a series of material testings, we hope to provide customers with premium products of high quality.disadvantages of light energy,led t20,led filament retro.