Purchase Qty. Reference FOB Price
50-499 Pieces US$5.00
500-1,999 Pieces US$4.50
2,000+ Pieces US$4.20
Product Description
Product Description Advantage: 1. Excellent drilling penetration 2. Used in very hard or hardest rock formation 3. Adequate for various construction conditions 4. Strong corrosion resistance Detailed Photos Company Profile Quzhou Zhongdu Machinery Technology Co., Ltd is industry ...