1. Manufacturer or trading company?
We are both, with a factory and long-term factory partnerships.
2. Minimum order quantity?
MOQ: 1pc or 1 set; price varies with quantity. Sample orders welcome.
3. Accept OEM & ODM?
Yes, we accept both. Provide requirements or design drawings.
Our R&D team is led by Dr. Zhao Mingchun,
with 25 years in material research and drilling tool design.
He designed the world's largest top hammer and DTH hammer bits, praised by users.
4. Delivery time?
Generally 15-25 days; 5-10 days if in stock.
5. Visit factory before ordering?
Sure, welcome! Contact us for address and schedule.
Audited Supplier 
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