Longjiang Circuit International Co., Ltd.

Longjiang Circuit International Co., Ltd. was established in 2012 and is a trusted provider of PCB manufacturing, PCB 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.