0086-546-8268456
Middle Section Of Weifang Road, Dongying Dist., Dongying, Shandong, China (Mainland)
New diamond core drill bits for hard rock/ PDC drill bit, US $ 50 - 800 / Piece, Shandong, China, XINCHENG, Core Drill Bit.Source from Dongying Xincheng Petroleum Technology Co., Ltd. on Waimaotong.com.