Da Kai Song

Part of Kelin Environmental Protection Equipment, Inc., Yantai Guoye Metallurgical Water-Cooled Equipment Co. Ltd. is a company that specializes in the design and manufacture of metallurgical water cooling equipment. The company is based in Yantai, China. Yantai Guoye Metallurgical Water-Cooled Equipment Co. was acquired by Kelin Environmental Protection Equipment, Inc. from Shanghai Kelin Guoye Engineering Technology Co. Ltd. on September 15, 2014 for $4.98 million. The Chinese company's main products include electric arc furnace water cooling equipment, scrap steel preheating equipment, dust removal flue gas cooling equipment, refining furnace complete sets of water cooling equipment, and converter waste heat boiler.

Kelin Environmental Protection Equipment, Inc. engages in the design, fabrication, sale, and services of environmental equipment. It offers dust-collecting products such as hot flue gas bag, reserve air bag, unit, electric and cyclone filters, reserve air bag filter serials, electrical control, filter's fittings, and dust-conveying devices. It also provides flue gas treatment system and material recirculation in various industries such as metallurgy, building material, machinery, casting, light industry, chemical industry, grain processing, utility boiler and waste incineration. The company was founded in December 28, 2007 and is headquartered in Chongqing, China.

Part of Wuxi Tianheng Trade Co. Ltd., Suzhou Kelin Environment Technology Eng Co. Ltd. engages in technology engineering services. The company is based in Suzhou, China. Suzhou Kelin Environment Technology Eng Co. was acquired by Wuxi Tianheng Trade Co. Ltd. from Kelin Environmental Protection Equipment, Inc. on June 17, 2015 for $6.09 million. Qi Di Song has been the CEO of the Chinese company since 2002.