Main Exhibits：JIANGSU CHAOFAN SPRINGS MANUFACTURING CO,.LTD

Main Exhibits：Italian green chemical techonogy，expertise on industrial metal surface treatment，especially on stainless steel pickling and passivation. We developed cutting edge technologies of electro-chemical method，to use environmental friendly chemicals for all process. With our process， there can be no waste water！And still，the users can get perfectly pickled and passivated SS surface，which can achieve much better passivation layer than traditional strong acid method.

Main Exhibits：Our main oil leakage detection equipment, optical fiber microstructure sensing equipment, and wireless intelligent detection equipment provide a variety of intelligent solutions for oil leakage problems.

Main Exhibits：MECHANICAL SEAL, SILICON CARBIDE。used in oil pump

Main Exhibits：Cold welding machine, precision repair welding machine, EDM surfacing repair machine, automatic shaft welding repair machine, broken tap machine

Main Exhibits：Shallow Strata Drilling Rig

Main Exhibits：Pressure transmitter, electromagnetic flowmeter, temperature sensor, level sensor, etc.