Tongzhan was established in 2011 and is committed to becoming a leading one-stop EMS provider. We specialize in high-speed turnkey PCB services: PCB Design, Manufacturing, Component Sourcing, PCBA and Supply Chain Services. We are good at project management and cost reduction of EMS. Tongzhan specializes in electronic manufacturing services for its customers. Our services include PCB design, PCB fabrication, parts sourcing, PCB assembly and testing. We manufacture using materials commissioned by our customers, as well as our full turnkey project of sourcing, inspecting and supporting raw materials. never satisfied. We are constantly trying to improve all functions and processes of the company. Our goal is to create greatness by serving our clients with the best possible service, building profitable solutions for our clients, and supporting each other along the way. Speed and flexibility are a way of life for the co-exhibitor. We embrace a fast-paced and dynamic work environment. We focus on innovation and delivering great products. Our agility allows us to define and redefine our markets.