Lithium-Ion Battery, UPS Power, Lithium Battery Charger manufacturer / supplier in China, offering Longkun Full Service Customized PCBA Solutions with Testing and Quality Assurance for Global Clients, Longkun Customized PCBA Manufacturing for Industrial Automation and Smart Factory Control Systems, Longkun Professional Customized PCBA Design and Assembly Service with Rapid Prototyping Capabilities and so on.