What level does Antu biology belong to in China?

One of the four domestic immune dragons, together with Mindray, New Industry, Mike and other companies to replace imported brands. Antu Bio is the leader in in-vitro diagnosis of the second echelon in China, and its gross profit margin and net profit margin are maintained at 60% to 73% and 25% to 38% all the year round, second only to Mindray Medical. Zhengzhou Antu Bioengineering Co., Ltd. was registered and established in Henan Administration for Industry and Commerce on September 1999.