Kingmass (Shenzhen) Limited founded in 2004 is a professional manufacturer completely committed to stereo earphones, multifunctional headphones and silicone products. Located in Shenzhen City of China, our co***ny covers an area of 1,600 square meters and has a strong production line with more than 80 employees.
Since our foundation in 2004, we have accumulated abundant experiences in ODM and OEM operation. Our products have wide sales network in such areas as America, Europe, and Asia. Being a prof...
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