Shandong Changan Teyi Photoelectric Technology Co., Ltd., established on 2009-12-18, Business scope includesLEDsemiconductor lighting products,Development of general lighting products and supporting electrical equipment,to assemble,Sales and Service;LEDdisplay screen,Remote Monitoring System,Product Development of Intelligent Conference System(Does not include production)Sales and Service;Assembly of light poles,Sales and Service;High and low voltage switchgear and distribution box,Lighting distribution box product development(Does not include production),Sales;ethernet switch,Optical transceiver assembly,Sales and Service;Geophysical Exploration Instruments,Assembly of equipment and instruments,Sales and Service;Technology development in the field of optoelectronic technology,consult,Services and Transfers;Operating import and export business(Except for import and export commodities restricted or prohibited by the state);Mechanical and electrical equipment installation,Sales(No special equipment);oil exploration equipment,Meter rental;Environmental technology development,Technical Consulting and Technical Services;Environmental Engineering;Oil, gas and water well technical services;Water treatment project;Petroleum Engineering Technical Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)