GuangRao winbond chemical co., LTD. Was established in August 2009, covers an area of 300 mu, the existing staff of 430, the company registered capital of 100 million yuan, the prominent advantage geographical location, convenient transportation, distance S319 provincial highway, provincial highway S320, G18 rong wu high-speed, high-speed G25 long depth of 10 km, from dongying airport 30 kilometers, is apart from the guangli port, the port 20 kilometers, is the construction of the yellow big railway and smoke calderon habitat and the rail wear and station, convenient land, sea and air transport system, as the raw material, product, input, output, provides efficient transport conditions. It is one of the earliest companies engaged in the deep processing of cg-4 LPG in China. It has the most complete cg-4 LPG processing industry chain supporting the domestic production equipment, and it is also the private company with the largest production capacity in this industry in China.