SM

If you want to know more about the SM, the following articles will give you some help. These news is the latest market situation, trend in development, or related tips of the SM industry. More news about SM, are being released. Follow us / contact us for more SM information!
  • 2022-11-01

    The polished rods are used to connect sucker rod and pump unite.The spray welding polished rod adopts the sucker rod pump plunger manufacturing process, and sprays the alloy powder on the surface of the rod body to improve the surface hardness of the rod body and enhance the wear resistance and corr