Logo Made in Germany China Coal & Mining Expo 2017

J.D. Theile GmbH & Co. KG

Booth number: W1205

About us

JDT is a German based and leading global manufacturer of complete chain systems and accessories for mining and industry, as well as a system integrator of robots in industrial automation.

For almost 200 years JDT has been producing mining chains and connectors for underground coal mining. JDT F-Class chain has outstanding qualities in terms of wear and tear, running, durability, strength and resistance to corrosion.

Products and services

Mining chains and connectors for underground coal mining.

JDT block connector

JDT block connector

JDT block connector for high performance conveyors. For vertical use in flat-, combi and F-Class chains. Easy assembly and disassembly due to improvements of the geometry of the Joint.
Longer Service life due to zinc-nickel coating.JDT HO material with mechanical characteristics which exceed the requirements of DIN 22258-3 significantly.

JDT F-Class chain

JDT F-Class chain

JDT F-Class chain can be used in all AFC, BSL and roadway conveyors. New patended design with short studs to prevent damage and failure due to kinking of links of slack chain and reduction of risk of immersion of the vertical link into the flight bar.
Optimized cross-sections prevent operational stress peaks in the vertical links. For a given nominal thickness the overall height of the chain can be reduced. For a given height, a greater nominal thickness of the chain is possible.

JDT flat connector

JDT flat connector

The JDT flat connector is one of the best known and most commonly used chain connector in mining. For horizontal operation in round link, flat link, combi and F-Class chains.
For vertical use in round link chains. Two-piece design for easy assembly and safe operation on the sprockets. JDT HO material for optimized strength and toughness.


J.D. Theile GmbH & Co. KG
Letmather Str. 26
58239 Schwerte

Phone: +49 2304 7570
Fax: +49 2304 757295

Jarmila Thill
Head of Sales
Phone: +49 2304 757148

Beijing Welihauss
Room 804, Tri Tower B Bldg., No. 66 Zhongguancun East Rd.
100080 Haidian District, Beijing
P.R. China

Phone: +86 106 2670772

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Booth number: W1210
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