Established in 2006 and headquartered in Changsha with service center in Guangzhou, Changsha Sumpart Electronics Technology Development Co., Ltd. is a professional company in providing payphone components, software solutions, and customized sourcing service to international customers. Our products are mainly public phones, such as outdoor IC card payphones, coin phones and their accessories, including handsets, keypads, displays, readers, batteries, and front plates. Up to today, our ...