no commission 111. Xuchang Zhengtai Photovoltaic salesman gets a commission of 31 yuan for each panel business, and each household installs at least 51 panels to be connected to the grid, so each photovoltaic panel gets a commission of RMB 111, instead of RMB 111, and a contract is signed to reward RMB 111. Zhengtai Photovoltaic is a Sino-US joint-venture high-tech enterprise specializing in the research, development, production and sales of solar cells, components and photovoltaic application products.