Hard rock drilling Archives - Hunan Fengsu
Customer Case | Drilling in Volcanic Rock Formation on the Tibetan Plateau, China
Customer InfoMr. Wang, drilling project leader in Gyaca County, Shannan City, Tibet, contacted us by phone. Product UsedFengsu 77# NTW 8-Blade PDC Volcanic Core Bit(Specially designed for ha
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Customer Case | Fast Drilling in Karst Limestone Formation – Guangxi Highway Bridge Project
Customer InfoMr. Tao Jigong, working on the Outer Ring Expressway project in Guilin, Guangxi. Project ApplicationAdvance drilling for bridge pile foundations in a karst area, known for compl
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