Shenzhen Kingmass Science & Technology Co., Ltd. is a professional manufactory who commits to produce electronic products and silicon products. Such as earphone, headset, silicon case for IPOD, SONY players and many mobiles, and other promotional products as well as OEM & ODM service. More information please visit our website: www.kingmass.com or contact with vickykingmass@hotmail.com. Tel: +86 755 25580916
