Spectrum Opto Electronic Co., Ltd. is a professional HI-Tech enterprise, specializing in R&D, production, marketing and service of relevant LED products. ...

Dongguan East Billion Printing Limited Corporation is a commercial packaging and printing enterprise, integrating design, plate-making printing. Our main products are boxes, color cards, tags, handbags, brochures, catalogues stickers. We also offer processing services. With solid ...