Where can I buy rooftop photovoltaic power generation monitoring?

Henan Shidong Electrical Equipment Co., Ltd. Henan Shidong Electrical Equipment Co., Ltd. was established on July 22, 20 14, and its registered place is located in Qinling Road, Zhongyuan District, Zhengzhou City. Mainly engaged in the sales of electrical, electromechanical equipment, power equipment and control equipment, including roof photovoltaic power generation monitoring. The monitoring of photovoltaic power station is to connect the inverter, junction box, irradiator, meteorological instrument, ammeter and other equipment of photovoltaic power station through data lines.