The score of 475 in science in Henan Province is relatively high, so you can consider applying for some two public schools. Here are two public schools you can consider. The specific situation may be different due to the change of year and enrollment policy. Please note that the following are only some schools listed, not all.

Henan University: Henan University is a key comprehensive university in Henan Province, located in Kaifeng City, Henan Province. The school has a number of science majors, such as mathematics and applied mathematics, physics, chemistry, biological science and so on.

Henan Normal University: Henan Normal University is a key normal university in Henan Province, located in Xinxiang City, Henan Province. The school has mathematics and applied mathematics, physics, chemistry, biological science and other science majors.

Henan Polytechnic University: Henan Polytechnic University is a key engineering university in Henan Province, located in Jiaozuo City, Henan Province. The school has a number of science majors, such as mathematics and applied mathematics, physics, chemistry, biological science and so on.

Henan university of economics and law: henan university of economics and law is a key university of finance and economics in Henan Province, located in Zhengzhou City, Henan Province. The school has mathematics and applied mathematics, statistics, financial mathematics and other science majors.

Henan University of Science and Technology: Henan University of Science and Technology is a key engineering university in Henan Province, located in Luoyang City, Henan Province. The school has mathematics and applied mathematics, physics, chemistry, biological science and other science majors.

In addition, there are two other public schools in Henan Province, such as Henan University of Traditional Chinese Medicine, Henan Agricultural University, Henan University of Technology and Henan Institute of Science and Technology. These schools also have a certain strength in science majors.

It should be noted that other factors, such as major setting, school location, school reputation and personal interests, need to be considered comprehensively when applying for two public schools. I suggest you consult the school admissions office or teachers of related majors to obtain more accurate and specific information. I wish you success in choosing a school and major!