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Gao'an Village, Qiaoqi, Xiake Town, Jiangyin, Wuxi, Jiangsu, China (Mainland)
M14 Vacuum brazed diamond core drill bit for wet drilling, US $ 1 - 10 / Piece, Jiangsu, China, sunshine, Core Drill Bit.Source from Jiangyin Sunan Diamond Tools Co., Ltd. on Waimaotong.com.