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Rock Drilling

  • Rock drilling operations are typically performed in natural conditions, where voltage of power supply and environmental temperature are unstable, and rocks are usually very hard. Rotary hammers are required for proper flexibility and adaptability to satisfy your needs.
  • Rock powder granules are very tiny, and can easily invade device switches and oil seals, causing switch malfunction and oil leakage.
  • Rocks are hard and can cause problems due to temperature and mechanical conditions, since it needs to both to provide torque and bear vibration from the bit.
  • With the rotary hammer running data accumulated over many years, every type of your rotary hammer is strictly tested and verified to ensure working conditions in extreme environments.
  • Professional dust proof method is applied on switches, motors and oil circuits, leak proof and lubrication are both considered in grease selecting, to prevent from damage in dusty environments for long periods.
  • Essential parts of our products feature 35CrMo alloy steel, processed with automobile industry standard heat treatment equipment imported from South Korea. All treatment procedures are automatically inspected and controlled, to ensure professional level durability.
OEM Service

Hengyou is a professional rotary hammer and demolition hammer manufacturer that is experienced for over 30 years, with production power of 1.5 million per year. Hengyou owns two self-owned brands, “HENGYOU” and “PTG”, also provide OEM service according to customers’ requirements. Since establishment in 1988, we are dedicated to power tool developing and manufacturing, for now we have formed a complete manufacturing procedure. We’ve established professional technical team, manufacturing team, QA team, after service and support team, etc., choose Hengyou as your provider is a wise choice.