Our company, formerly known as the Kingmass (Shenzhen) Limited, has 7 years of experience in the earphone and headphone industry. We produce various kinds of earphones and headphones, mini speakers and some accessories for fashion consumer electronic products. Our factory is located at Longgang of Shenzhen, China. Our factory covers an area of 4,000 square meters, with our own tooling workshop, plastic injection moldings and product assemble lines. We have abundant experience in ODM and OEM ...   |