comsol technologies (hk) ltd is headquartered in hong kong with our research and development centre in shen zhen, china and our manufacturing plant in donguan, china. we specialize in computer accessories, bluetooth, voip phones, usb flash drives, card readers, usb cables, psp accessories, mobile phone cables, multimedia products and more. at comsol technologies, our philosophy is complete customer satisfaction. in the fast and ever-changing world of information technology, we recognize the significance of not only forging, but maintaining close customer relationships. our staff have a broad and in depth knowledge of technological trends, keeping our customers in touch with new product innovations and emerging technologies.