We are Shandong Techgong Geotechnical Engineering Equipment Co., Ltdin China, we mainly produce and export rock drilling tool, mining tools, foundation drilling tools, road milling tools, in particular the tunnel & shield driving machine tools.
Our Production range is including Mining Bits, drilling teeth, shield driving tools, Road Planning bits, Foundation Drilling Tools, etc. They are used for mining, quarrying, tunneling, piling, water drilling, geological prospecting, mineral exploration, civil engineering and construction Etc.

What’s more, We can manufacture the products according to customers samples or drawings or other requests.(OEM)
Our products are in high quality, reasonable price and long service time.
They have been exported to Australia, Brazil, Canada, Japan, USA, Korea, Middle East, etc
Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship.