Kelleg International Trade (Shanghai) Co., Ltd. is based in China. The company lists rock drill bits, drill rods, rock drilling tools, coupling sleeves and split sets on Global Trade Plaza. Rock drill bits include chisel bits (32–42 mm), cross bits (34–65 mm), X bits (55–65 mm) and button bits (38–150 mm), as well as DTH drill bits covering low-pressure (70–250 mm) and medium/high-pressure (90–508 mm) sizes with efficient energy-saving models (110–254 mm). Drill rods are available as tapered and threaded extension types, with light rods from 300–6,000 mm and heavy rods from 600–2,000 mm. Rock drilling tools feature shank adapters in flange-type (hexagonal, 22 mm or 25 mm inscribed circle, 108 mm or 159 mm length), lug-type and spline configurations. Coupling sleeves come in full-bridge and reducing styles with thread sizes R32, R38, T38, T45 and T51. Split sets are high-strength steel rods with a longitudinal slit, offered in wall thicknesses of 2.5 mm and 3.0 mm and common diameters of ϕ30, ϕ35, ϕ39, ϕ43 and ϕ46 mm, with tray options including earhook and non-earhook types. Buyers can send an enquiry through Global Trade Plaza.