Zhejiang Jarol Science Instrument Co., Ltd. was established in 2002, referred to as "Jarol Shares". It is a national high-tech enterprise. Research and development capabilities, with nearly 200 inventions, utility models, appearance patents and software copyrights. The main products cover the fields of industrial control, environmental protection, new energy, etc., under the jurisdiction of Zhejiang Lianyilian Technology Co., Ltd., Zhejiang Baochengjie Technology Co., Ltd. (Binjiang R&D Center), Wuxi Jiakai Industrial Control Technology Co., Ltd. (Wuxi R&D Center) , to provide customers with competitive industrial control, new energy, environmental protection and other industry solutions.