Dongguan Tondaus Meditech Co,Ltd.,which is a company with production and development on medical device. Tondaus devotes much to innovation and development in medical field,which is legal owner of brand "Tondaus". Its surgical skin marker had gotten CFDA,CE,ISO 13485 and FDA.Under serious controlling system of production,its daily production can reach 50000 pcs,which had been exported to over 20 countries and had gotten patent in China.Tondaus surgical skin markers had been popular in cosmetic plastic surgery in recent years. The factory of Tondaus occupies over 2000 square meters,which includes 100-thousand-class clean room covering an area of 600 square meters,three 10-thousand-grade labs and one physics & chemistry lab. 90% procedure had been in automation during production.All equipment had met the demand of regulatory authorities. In the future, Tondaus will not stop and keep improving in order to provide the best.