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| Other Names | Hole Opener - DTH Drill Hole Opener Bits - DTH Hole Openers |
| Bit Diameter | 2 inch; 3 inch; 4 inch; 5 inch; 6 inch; 8 inch; 10 inch; 12 inch |
| Material | Carbon Steel and Tungsten Carbide Buttons |
| Technology | Heat Treatment |
| Company Name | Liaocheng Jinquan Construction Machinery Co.,Ltd - China manufacturer of rock drilling tools button bits top hammer rock tools DTH hammer button bits |
| Business Type | Manufacturer,Exporter |
| Brands | Jinquan |
| Employee Number | 200~300 |
| Year Established | 1984 |
| Company Location | No.16, Industrial Park, Xihu Town, Yanggu County, Liaocheng City, Shandong Province, China (252311) |
| Factory Location | No.16, Industrial Park, Xihu Town, Yanggu County, Liaocheng City, Shandong Province, China (252311) |
