In 1998, Shimao Industrial (Hong Kong) Co., Ltd. was established in Hong Kong
In 2002, successfully entered the UK market and cooperated with Wal-Mart (WMT)

In 2003, the company opened its first branch in Shenzhen with the trademark "OraTek".
In 2006, moved from Hong Kong to Shenzhen and founded Shenzhen Dilinle Technology Co., Ltd.
In 2008, successfully entered the Australian market and created the OraTek brand
In 2011, the Oralite brand was launched on Amazon in the United States, and successfully entered the ALDI market and MC company in the same year

In 2012, the company opened a second factory in Dongguan City, Guangdong Province.
In 2002, cooperated with Hong Kong Mannings (milk company); and entered the Tmall market
In 2013, the OraTek brand cooperated with more than 200 chain pharmacies and dental clinics
In 2015, successfully cooperated with trisa and settled in LIDL

In 2016, the company expanded its business scope and moved the factory from Dongguan to Qingdao, Shandong Province.
In 2017, joined hands with the Beauty Expo to jointly establish the Oral Health Management Committee