self-drilling anchor system, rock drilling tool, refined rolled thread bar system, friction bolt, FRP bolt, strand anchor, rebar connecting sleeve, rock drilling rig, drilling tool, grouting machine, jack, etc.

A market-oriented enterprise integrating R&D and designing, procurement, sales and customer service. Kelleg focuses on the field of geotechnical anchoring and is committed to building a professional service platform that integrates system solution provision, product supply and technical support.