Longjiang Circuit International Co., Ltd. was established in 2012 and is a trusted provider of PCB manufacturing, PCBA assembly, and one-stop Electronic Manufacturing Services (EMS). By integrating PCB design, PCB/FPC fabrication, component sourcing, SMT assembly, DIP assembly and soldering, functional testing, and final product assembly, we deliver comprehensive manufacturing solutions that support customers throughout the entire product lifecycle—from design and prototyping to mass production and final delivery. Over the past decade, Longjiang Circuit has continuously invested in advanced manufacturing equipment, intelligent production technologies, and process optimization. At the same time, we have strengthened our manufacturing capabilities, quality management systems, and customer support services to ensure consistent product quality, efficient production, and reliable delivery. Today, Longjiang operates four modern manufacturing facilities located in Shenzhen (Guangdong), Changsha (Hunan), Ji'an (Jiangxi), and Jakarta, Indonesia. These strategically located production bases enable us to provide an integrated manufacturing platform covering PCB fabrication, PCB assembly, supply chain management, testing, and finished product assembly. This comprehensive capability allows us to respond quickly to customer requirements while maintaining high standards of quality, cost efficiency, and delivery performance. Our products and manufacturing services are widely used across a broad range of industries, including medical devices, telecommunications, industrial automation, automotive electronics, new energy, smart home technologies, and the Internet of Things (IoT). Today, Longjiang proudly serves customers in more than 40 countries and regions worldwide. Quality is at the core of everything we do. Supported by an experienced team of engineering, manufacturing, and quality professionals, we implement strict quality control throughout every stage of production—from material sourcing and manufacturing to inspection and final shipment. Combined with advanced production equipment and intelligent manufacturing systems, our comprehensive quality management approach ensures excellent product consistency, reliability, and long-term performance. At Longjiang Circuit, we believe that long-term partnerships are built on trust, quality, and continuous improvement. By combining technical expertise, lean manufacturing, and an integrated global supply chain, we help customers accelerate product development, improve manufacturing efficiency, and shorten time to market. Looking ahead, we will continue to invest in smart manufacturing, technological innovation, and global service capabilities. Our mission is to become a trusted long-term partner, providing high-quality PCB manufacturing and integrated EMS solutions to customers around the world.