King Cool Refrigeration, Heating & Air Conditioning specializes in the service, parts, and sales of refrigeration, heating, and air conditioning systems.

JS Research Inc. is specialized in the manufacturing of Laboratory, Scientific and Medical instruments bases it's office and factory in Gongju-City, Republic of Korea since 2004.

Qingdao Del Environmental Protection Technology Co., Ltd. is a manufacturer specializing in Shanxi VOCs waste gas treatment equipment, Shanxi organic waste gas treatment equipment, Shanxi smoke purification equipment, Shanxi catalytic combustion equipment, and Shanxi industrial dust removal equipment. The company's products have a good reputation in the industry and have won unanimous praise from consumers. If you have any needs for Shanxi VOCs waste gas treatment equipment, please call us for consultation!