Shenzhen Global Crown Technology Co., Ltd. is a professional manufacturer completely committed to providing stereo earphones, multifunctional headphones and silicone products. Located in Shenzhen City of China, our company covers an area of 2,000 square meters and has a strong production line with more than 200 employees. There are totally 20 engineers, 5 managers and around 20 salesmen in our factory! All the managers and engineers have bachelor's degree or above. Global Crown has a set of ...