Topsee technology holding limited authorized by hongkong government is a new- and high-tech enterprise integrated with science, industry, commerce and trade. one of main products we can provide is medical electronic products such as digital wrist blood pressure monitor, automatic upper arm blood pressure monitor ,digital thermometer and ultra thermometer etc, these can be used as home healthcare product ,medical diagnosis equipment and pretty present to friend. we strictly perform under iso13485 standard, all products have ce certification and fda compliance from the food and drug administration of american. the products have been export to more than 90 countries which is in european, north american and so on. meanwhile, topsee technology holding limited has been authorized as the only agent of beijing dakang instrument co., ltd in the southeast asia. beijing dakang instrument co., ltd. was established in 2002. it has been a branch company of outsmarting sigm technology development group, ltd. which is a high-tech group entity involving in technology, industry and trade. dakang specializes in medical devices and optical equipment for optical stores and hospitals. it began its production of oem products for japanese topcon companies in 2004. its products are exported to japan, the united states, europe, and southeast asia all around the world.