Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
IADC 637R
Application: Suitable for hard formation with high compress strength, such as sandsone, limestion, dolomite, hard gypsum, marble, etc.
keywords:
Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
Application: Suitable for hard formation with high compress strength, such as sandsone, limestion, dolomite, hard gypsum, marble, etc.
keywords: