According to the enterprise records, gongyi city Jin Wang Machinery Co., Ltd. and gongyi city Jin Wang Machinery Co., Ltd. produce pulverizers, compound pulverizers, heavy crushers, box pulverizers, sand production lines, sand makers, brick factory electric blank transport vehicles, water transport vehicles, blank transport vehicles, drawing vehicles, factories and mines electric transport vehicles, tricycles, dump trucks and so on. Gongyi city Jin Wang Machinery Co., Ltd. is a manufacturer engaged in the design, manufacture and installation of R&D, building materials and mining machinery and equipment, with strong technical force and excellent process equipment. The company is located in gongyi city, the hometown of machinery in China, and was established in 1998. The battery car used by workers in the fine sand workshop of textile mill is a 48V electric dump truck, which is directly sold by gongyi city Jin Wang Machinery Co., Ltd.