Beijing Outsmarting Dacone Instrument Co., Ltd, formerly Beijing Dakang instrument Co., Ltd established in 2002, is a subsidiary of Outsmarting SIGM Group, which is a leading manufacturer specialized in the low vision and ophthalmology industry. 

Headquartered in Beijing Economic & Technological Development Park, Dacone integrates R&D, production division, as well as sales and servicing departments for ophthalmology and low vision products like ophthalmic instruments and several kinds of low vision video magnifiers. Our brand "VISUM" has been widely recognized by customers in world market and we have set up wide sales network in Europe, North America and Asian countries, gained good reputation. Long term business relationship with well-known enterprises like TOPCON, ESSILOR ect have bear witness to our top-touch quality and reliable products. 

Each year, Dacone pours money into the research and development to improve our products. With over 10 years' experience of the engineers in the field of ophthalmology and low vision, Dacone has received the prestigious CE, FCC and ISO 9001 certification for exceptional quality in the "Development, Production and Distribution of Precision ophthalmic and low vision Products". In order to meet the product safety, corporate social responsibility, and environment protection standards, our production division set a strict international quality standards. More than 30002 square meters factory ensures high production capacity; we are ready to handle any OEM orders to meet customer-specific needs promptly. 

Our entire organization is focused on our customers - we strive to ensure your total satisfaction with Dacone. We will never cease to push forward innovative products and technologies to offer reliable and affordable vision care solutions meant to improve the livelihood of vision impaired people. We pursue the vision that: Focus with care!