Hunan Qianyiyuan Technology Co.,Ltd is a technology company specializing in photovoltaic new energy technology research and product  development and production. It has passed ISO9001, ISO14001, and OHSAS18001 system certifications and   is a leading domestic solar product manufacturer and grid-connected engineering construction comprehensive service provider.  The companyhas  strong technical  strength,  excellent production equipment,  and  advanced  production  techn ology;  The  company's corec production, and sales products i...