J Long hardware Abrasive Co. Ltd is a Sino-US joint venture enterprise that is specialized in producing resin grinding&cutting wheels, and is a member of Chinese Abrasives Association. Our company is located in Hebei Dacheng Economic Development Zone near Beijing ,which occupies an area of 17000 square meters with a building area of 11800 square meters. For 25 years, we have trained many professional technicians, and a capable work team, which currently counts more than 300 people. Our pro