Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
9 1/2” M1952C / M323
Application: Suitable for soft to medium hard formation, such as shale, sandstone, chalk rock, etc.
keywords:
Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
Application: Suitable for soft to medium hard formation, such as shale, sandstone, chalk rock, etc.
keywords: