Invention patent A special transformer for elevator power generation.

Invention patent A special transformer for elevator power generation.

Invention patent a laser derusting machine with eye protection and splash prevention

Invention patent a laser derusting machine with eye protection and splash prevention

Invention patent A copper terminal processing equipment.

Invention patent A copper terminal processing equipment.

Invention Patent A Copper-Aluminum Soft Connection Strength Detector

Invention Patent A Copper-Aluminum Soft Connection Strength Detector

Invention patent A counterweight-free elevator and its special transformer.

Invention patent A counterweight-free elevator and its special transformer.

Practical patent corrosion-resistant electrolytic zinc cathode plate

Practical patent corrosion-resistant electrolytic zinc cathode plate

Practical patent copper tape foil with fast removable core mold

Practical patent copper tape foil with fast removable core mold

Utility patent Transformer copper bar and cable connection structure

Utility patent Transformer copper bar and cable connection structure

Practical patent A conductive copper-aluminum bar quick connector.

Practical patent A conductive copper-aluminum bar quick connector.

Utility patent High-strength heat dissipation copper busbar

Utility patent High-strength heat dissipation copper busbar

Utility Patent High Heat Dissipation Plug-type Combined Copper Busbar

Utility Patent High Heat Dissipation Plug-type Combined Copper Busbar

Practical patent A high-stability copper-aluminum row perforation structure.

Practical patent A high-stability copper-aluminum row perforation structure.

Utility patent electric oxidation built-in water-cooled energy-saving electrode holder

Utility patent electric oxidation built-in water-cooled energy-saving electrode holder

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