Shandong Rui'ao Intelligent Equipment Co., Ltd., established on 2000-06-26, Business scope includes smart devices,Petroleum machinery and equipment,Environmental protection equipment and accessories,Industrial Automation Equipment,Instrumentation and accessories design,manufacture,Sales,repair,lease;Industrial control system design and technical services;Computer software development and technical services;Petroleum Technical Services;Environmental Technology Technical Services;Anti-corrosion and anti-wear products for metal pipes,Road Traffic Safety Facilities,Auto parts production,Sales and Repair;Electrical Equipment(No special equipment),Electrical Equipment,electrical appliance,special equipment,Wujinjiaodian sales and maintenance;Environmental Engineering;Labor protection supplies,Chemical Products(Free of dangerous goods and precursor chemicals),building materials,car sales;Import and export business(Except for those prohibited by national laws);Testing equipment maintenance;Scrap purchase(It is not allowed to engage in the acquisition of productive scrap metal and scrap items prohibited by the state);Lined tubing processing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)