Honors

A support device for wear-resistant and anti-corrosion steel lined composite pipes
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A corrosion-resistant and wear-resistant gate valve for mineral slurry
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A connection auxiliary device for metal pipelines

A Clamping Device for Metal Composite Pipe Joints

A sealing mechanism for pipeline joints

A butterfly shaped clamp concave convex limit sealing structure

A Convenient Joint for Marine Floating Transportation Pipeline

A convenient clamp joint for disassembly and assembly

A Convenient Connection Device for Steel Rubber Composite Pipe

Utility Model Patent Certificate

Utility Model Patent Certificate
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Utility Model Patent Certificate
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