PSI has been established since 1988 as a China-based manufacturer of high quality, professional computer chassis, power supplies and accessories.

Our USA sales office is located in Chino/S. California, a well-developed metropolitan area, and equipped with well-established shipping, receiving, after services and sales channels. Our research and development staffs continually strive to improve quality of our products. With extensive experience working with several large scale projects, 3D diagrams and mock-up samples can be provided by our efficient R&D team. You name it, we make it for you. Our product testing is strictly monitored to ensure absolute control over the entire manufacturing process. We inspect productions at every step, begins with the basic materials and components all the way through the final product. Every employee takes personal pride in his/her work and strives to do their best job possible. This includes all aspects of our company from warehouse workers, assembly line technicians, engineers and management personnel.