JiYuan Coal High Voltage Switch Co., Ltd, built in 1972, is a wellknown manufacturer in China. We mainly produce mining machinerywhich are used in underground coal mines, where there are mixedexplosive gases, such as methane. All products are explosion-proofand intrinsically safe. We aim to do a long-term business withenterprises from all over the world. To provide the customers withsatisfactory product and service is the permanent pursuit of theenterprise. Jiyuan Coal High Voltage Switch Co., Ltd. is willing toreturn customer and society with first-class product andhigh-quality service.