Poly Union Chemical Holding Group Co., Ltd. engages in the manufacture and sale of explosives products, as well as explosion projects planning, solutions, and technical services. It is categorized into explosive and string type. The explosive type includes plastic packaging emulsion explosives, coalmine emulsification, rock emulsion explosive, rock ammonium nitrate explosive, ammonium nitrate/fuel oil, mixed ammonium nitrate/fuel oil, and mixed emulsion explosive. The string type includes delay detonator, digital electronic detonator, coal mine delay electric detonator, coal mine instantaneous electric detonators, low energy detonating cord, insensitive electric detonators, and semiconductor bridge electric detonators. The company was founded on July 18, 2002 and is headquartered in Guiyang, China.