Xiangdangdang established as an earphone PCB supplier and has 10 years rich experience in PCBA production. Xiangdangdang has a complete production process including acoustic R&D department, plastic injection molding department, plastic mold manufacturing department, PCB processing department, ear cup manufacturing department, finished assembly department, fuel injection department, silk printing department, sales department and service department, and other departmens. Xiangdangdang also has a strict quality control system with SMT, Electroacoustic, Assembly, Testing and other production equipments.