Frequently Asked Questions
- Working together to save your costs for drilling.
- Offering professional OEM & ODM for special projects.
- Sustainability considerations cover how we design and manufacture rock bits.
- Some regular products are in Stock.
Ranking is committed to quality across all aspects of our business – our people, processes and products. We call this ‘the RANKING BIT standard’.
- For regular products, our delivery time is 1-2 working days at receipt of your payment.
- For customization products, leading time depends on our production line
Ranking company supports payment through wire transfer and trade assurance by Alibaba.com