Qilu Petrochemical ton packaging container special resin material test success

New motor electronic power saving switch

China Petroleum was born in the domestic design "first ship"

A new record for the navigation of a single ship in Zhoushan Port

New stamping production line workpiece conveying mechanism

Creative Gift Air Freshener Af-006

China's sensor technology and other sensor technology progress

Intelligent laser technology triggers a new revolution in garment batch processing

Umbrella builds the world's largest span self-anchored suspension bridge

Construction of large ships with domestic "medical cored wire"

A new generation of "magnetic suspension" bearing VAD was successfully developed

China's first dedicated double-sided milling and development success