How many printing companies are there in Hefei?

Hefei printing companies mainly include Hefei Xinghua Printing Co., Ltd., Hefei Bole Printing Co., Ltd., Hefei Landi Printing Co., Ltd., Hefei Dongxing Printing Co., Ltd., Hefei Rongxiang Printing Co., Ltd., Hefei Xiangsheng Printing Co., Ltd., Hefei Yixing Printing Co., Ltd., Hefei Bole Printing Co., Ltd., Hefei Huafeng Printing Co., Ltd., Hefei Maiqi Printing Co., Ltd., Hefei Hengxin Printing Co., Ltd., Hefei Bole Printing Co., Ltd.