Viasion Technology Co. Ltd is a full service contract electronic manufacturer in China that provides small to medium volume PCB prototype assembly and electronic manufacturing services (EMS). Established in 2007 Viasion have two manufacturing locations in Shenzhen, China with 40,000 square foot facility totally. As one of the best prototype PCB manufacturer, we produce conventional rigid PCBs, rigid-flex PCBs, microwave & RF PCBs, metal core PCBs, blind/buried via PCB etc. in different surface such as: lead free HAL, immersion gold, immersion silver, immersion tin, OSP, hard gold plating, carbon ink and blue mask. In our EMS facility, we can do plated thru-hole assembly, SMT assembly including BGA assembly, turnkey box build, supply china management, project management, new product introduction, testing and product development...