Founded in 2004, Roysam is a renowned manufacturer and distributor of electro-acoustic products. Having its own research centre and accredited laboratories, Roysam concentrate on productions of all kinds of earphones and portable amplifiers over extensive application areas.
At present, the company consists of product development, planning department, product department, quality control department, marketing department. The product department contains injection, silk screen, terminal shape, horn assembly, product assembly, testing and packaging, etc.
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