Shenzhen Jisima Technology Co., Ltd. Jisima is a mature mobile phone manufacturer that integrates research and development, design, production, and sales. It is a high-tech innovative enterprise in Shenzhen, China. In 2010, we entered the mobile phone manufacturing business and began producing smartphones. The company is located in Pinghu, Longgang, Shenzhen, with a factory area of 3000 square meters. The company mainly focuses on the four major markets of Europe, Africa, the Middle East, and South America. Jisima has a research and development team composed of industry elites, whose ultimate pursuit of product details and profound understanding of user experience have enabled our products to maintain an industry-leading position in design, performance, and reliability.