Dedicated to serve for international customer, KELIN ENERGY TECHNOLOGY INTERNATIONAL DMCC is a branch of Shandong Kelinruier Pipeline Engineering Co., Ltd., who is an integrated technical solution provider on oil and gas energy territory.

KELIN was founded in 2000, located in the central city of the Yellow River Delta, Dongying City, Shandong Province, China. 

Devoted to the high-tech conversion, KELIN was a business sector on technology research and novation of China University of Petroleum (East China). KELIN holds 20 patents and know-hows and becomes a leader of natural gas treatment, LPG and LNG recovery, power generation, pipeline and equipment anticorrosion and protection.