Patent Certificate

Application

Stainless steel polishing

Bonded abrasive tools

Abrasive coated tools

Wear-resistant flooring

Sandblasting treatment

Patent Certificate

An automatic feeding control device for an electric melting furnace
A raw-material crushing and mixing device for black corundum production
A black corundum bagging machine
A black corundum smelting apparatus
A temperature control system for abrasive sintering
A discharge chute shut-off valve
An abrasive micron powder hopper
A block-pressing molding machine
A hopper with a buffering structure
A corundum compressive strength testing machine
A waste-heat recovery ultrafine powder drying device
A pressure-adjustable double-roller machine
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