Shenzhen Green Promo Products Co., Ltd was founded in 2007, which is a comprehensive promotional products company . We are concerned with the research, design, production and sales ,we have rich exper...

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Shenzhen Dohenson Electrical CO., Ltd is located in Shenzhen,China. We are a professinoal manufacturer with 10 Years Experience, focus on power bank & bluetooth speaker development and manufac...

Shenzhen COMPUMASS Technology Co., Ltd is a professional and experienced company for R&D, manufacture and assembling of Smart bluetooth healthy watches&bracelets, Power Banks, bluetoot...