HC20240923 A New Utility Model Patent for a Rotating Table Type Remote-Controlled Coal Silo Clearing Machine

HC20240960A New Utility Patent for a Liftable, Lowerable, and Telescopic Swing-Arm Cleaning and Warehouse-Sweeping Machine

Practical New Utility Patent Certificate (Seal)

vibratory screen

Air cannon

1.1 Coal Silo Cleaning Machine Mounting Frame MQCQP-18-7.5Y

1.4KTF81 Mine-Type Permanent Magnetic Base Station Marking MHB240170_00

3KJD127 mine explosion-proof intrinsically safe computer