
Utility model patent certificate: a material sorting device

Utility model patent certificate: A high-pressure cooking pot

Utility model patent certificate: a reaction kettle

Utility model patent certificate: A stirring device for cooking pots

Utility model patent certificate: a filtering device

Utility model patent certificate: A new type of bag clamping device

Utility model patent certificate: A new type of feeding hopper

Utility model patent certificate: cutting telescopic head and cutting machine

Utility model patent certificate: Compact cutting head and cutting machine

Utility Model Patent Certificate: A Fixed Device for Warehouse Doors

Utility model patent certificate: A hopper

Utility model patent certificate: A silo

Utility model patent certificate: A sugar dissolving jar

Utility model patent certificate: a reaction tank

Utility model patent certificate: A mixing device

Utility model patent certificate: a fermentation tank

Utility model patent certificate: A manual fast synchronous opening and closing device