language: reagent kits, etc., shanghai shifeng biotechnology co., ltd. not only has professional technical level, but also has good after-sales service and high-quality solutions. welcome to call for negotiation 1 the names of li in history include li er, li si, li shimin, li bai, li guang, li shangyin, li qingzhao, li dazhao, etc. 1. li er, laozi, whose surname is li, whose courtesy name is dan, whose courtesy name is boyang, or posthumously named boyang, a native of the late spring and autumn period, whose birth and death year is unknown. he was born in chen during the spring and autumn period of the zhou dynasty. later he entered chu, he was a harsh county in the country. he was named an ancient county. he was an ancient chinese thinker, philosopher, writer and historian, and founder of the taoist school. and the main representative figure, laozi is a world-renowned cultural celebrity and one of the 100 historical celebrities in the world. he is known as laozi and zhuangzi, and is... 10 people