Established in 1998, Ningbo Changhua Copper Products Co, Ltd is a Hong kong's businessman ventured with import and export right, one of the high-precision parts suppliers in China for US's top 500 and the world's top 500 enterprises. It covers nearly 40, 000 sqm in which 20, 000 sq m is building area.

The company is equipped with a number of first-class CNC milling machining centers, CNC lathes and machine tools, valve processing machine tool as well as 250T and 200T presses, etc. It owns exquisite techniques in borings, grinding, cold extrusion, copper and aluminum friction welding, pressure forging, mold manufacturing and assembling as well as the high-precision roundness instrument, tension tester, spectrometer, conductivity instrument, thickness gauge, optical Burawoy sclerometer, digital projectors, roughmeter and other sophisticated detection equipments. All these had laid a solid foundation for the Changhua's leading role in the industry.