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The four major domestic shield machine factories are widely us...

Knife gate valve

West tiger knife gate valve, butterfly valve, gate valve. Th...

Mud door seal & hob seal

There are three models of mud door seal to choose from, or can...

The escape passage is specially designed to replace the concre...

Expansion joint

Full working condition compound. Carbon steel, stainless ste...

ST-KB series limit couplings

A torque overload protection device tailor-made for the shield...

Water stop & Gina seal

Stable rubber-metal seal combination. A service life of up t...

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