Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
IADC 617
Application: Suitable for medium hard ofrmation with high compress strength, such as hard shale, limestone, sandstone, dolomite, etc.
keywords:
Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
Application: Suitable for medium hard ofrmation with high compress strength, such as hard shale, limestone, sandstone, dolomite, etc.
keywords: