Patent certificate of organic industrial waste gas filtering device

Patent certificate of organic industrial waste gas filtering device

Patent certificate of an efficient precision punching device

Patent certificate of an efficient precision punching device

Movable lathe base

Movable lathe base

High-speed soil-throwing power head controlled by hydraulic system of rotary excavator

High-speed soil-throwing power head controlled by hydraulic system of rotary excavator

Patent for fixed base of grinding machine

Patent for fixed base of grinding machine

Hunan province specialized special new small and medium-sized enterprises

Hunan province specialized special new small and medium-sized enterprises

Key demonstration enterprises

Key demonstration enterprises

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