Committed to the research, development, and production of tunneling construction and excavation consumables

A comprehensive solution providerin the field of tunnel engineering

Based in Chongqing with manufacturing in Liaocheng.Shandong. Chongqing Dunrui Technology Co., Ltd. is aleading supplier of tunneling and mining consumables.We specialize in cutting tools and accessories for shieldmachines, TBMs, roadheaders, and raise boring machines.

Project continuity is non-negotiable. Our robust, integrated supply chain ensures on-time global delivery and secured raw materials, minimizing risks so you can focus on the breakthrough.

Solving geological challenges via custom R&D. We optimize tool geometry and carbide to your rock conditions, maximizing ROP and project efficiency.

Eliminating breakage risks through 100% metallurgical and ultrasonic testing. Engineered for extreme pressure and zero-failure reliability in any terrain.

Our 24/7 responsive service provides rapid troubleshooting and technical support to minimize downtime and ensure your project stays on track. 

+86 182 2382 6535

sales@xinruishanhe.com

No.38, Wei 2nd Road, Phoenix Industrial Park, Dongchangfu District, Liaocheng City, Shandong Province