Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
ADC 437
Application: Suitable for very soft formation with low compressive strength and high drillability, such as clay, mudstone, gypsum and soft limestone, etc.
keywords:
Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
Application: Suitable for very soft formation with low compressive strength and high drillability, such as clay, mudstone, gypsum and soft limestone, etc.
keywords: