Huai’an County explored local unique Longhei Marble resource and is building cultural industry brand through researching, designing and developing this marble to be stone craftworks. It has gradually developed stone Weiqi series, stone shadow carving series, stone craftworks series and other about 100 hundred cultural and art collection products and travel souvenir products. At present, it has achieved 70 million Yuan of investment, built stone craftworks workshops and showrooms, and introduced CNC speed carving machine and CNC shadow carving machine and other advanced machines and equipments, which directly supplied stable work chances for about 60 people.