精臻锚固（永年县晓珍紧固件有限公司）-机械锚栓制造专家，专注于高端锚固产品的研发与生产。 主营产品：后扩底机械锚栓、自切底机械锚栓、切扩一体式机械锚栓、扩孔钻头。 Jing Zhen Anchor (Yongnian County, Xiao Zhen Fasteners Co., Ltd.) - mechanical anchor bolt manufacturing experts, focusing on the development and production of high-end anchored products. Main products:After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.