Welcome to the official website of Hebei Ruishi Bits Manufacturing Co.,Ltd!
16” S1665FG/S323
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: