Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
9 1/2” S1953 / S223
Application: Suitable for medium hard formation with high compressive strength and abrasiveness, such as limestone, sandstone and shale, etc.
keywords:
Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
Application: Suitable for medium hard formation with high compressive strength and abrasiveness, such as limestone, sandstone and shale, etc.
keywords: