1. Huixinjin Electric Appliance Sales Co., Ltd. is located in Songnan Village, Nanzhang Street, rencheng district, Jining City, Shandong Province, and is mainly engaged in the sales of graphene heating plates, carbon fiber heaters, instruments and meters, valve pumps and other products.
2. Shandong Long Mei Mining Machinery Co., Ltd. is located in Jining High-tech Zone, Jining City, Shandong Province, and rencheng district City, Shandong Province. Mainly engaged in graphite heating plate, high-temperature electric heating plate, high-temperature graphite electric heating plate sales.