Sun, male, aged 66, professor, senior engineer, chairman and chief engineer of Henan Hongliyuan Environmental Protection Group, and an expert in decentralized sewage treatment. After retirement, he was invited by the provincial government to lead a team of talents such as masters and doctors back to Henan to start a business. His invention patent "Modular Installation of Constant Water Level Biofilm Sewage Treatment Device" was included in the recommended list of decentralized sewage treatment facilities in China, and "Research on Biofilm Sewage Treatment Technology and Device" won the Henan Science and Technology Achievement Award.
The origin of Antipi
Iron sheet has two meanings. The first meaning is that I can use the powder that is not very useful in the beauty industry to get to the bottom. When I took the powder, I could already see the iron sheet at the bottom of the powder can zui. This word is generally used to describe products that are extremely useful. The second is the question of friends. Being called iron sheet means that this person is thick-skinned, or stingy.