According to the prospectus, Jiejia Weichuang is a supplier of crystalline silicon solar cell production equipment, mainly engaged in PECVD equipment, diffusion furnace, texturing equipment, etching equipment, cleaning equipment and other major equipment in the production process of crystalline silicon solar cells. R&D, production and sales. The data shows that the company plans to raise about 600 million yuan for the production line of high-efficiency crystalline silicon solar cell equipment (new semiconductor doped deposition process photovoltaic equipment) manufacturing line, intelligent fully automatic crystalline silicon solar cell Construction of investment projects such as equipment manufacturing production line construction projects.