Gongyi Jingyu filter Co., Ltd   

Gongyi Jingyu filter medium Co., Ltd. specializing in the production of coal columnar activated carbon, granular activated carbon shell, shell filter, refined quartz sand, magnetite, garnet filter, gravel filter, anthracite, manganese sand filter material, rare earth porcelain sand filter, light ceramsite filter material, medical stone filter, activated alumina ball, fiber ball honeycomb filler, filler, polypropylene plastic filler, poly aluminum chloride, aerator, pipeline expansion device series. ...