In order to offer you with the highest quality of after sales service available, Shanghai ChangZeng Metal Co., Ltd. has after-sale service division to provide consultations and respond to inquiries from customers regarding all square tube issues. To take full advantage of customer comments, we communicate the advice received from after-sale service division and reflect it in the future services we provide. By incorporating the comments of our customers, we work to provide the highest satisfaction possible.
ChangZengis a highly creditable company in China as we have been focusing on the manufacture of high quality c channel steel. ChangZeng's steel coil series include multiple types. During production, ChangZeng stainless steel pipe adopts a series of advanced machines, including CNC machine tools, power presses, plastics injection-molding machines and so on. Its microstructure can be Ferritic, Pearlitic, Martensitic, Etc. The product has a robust and sturdy structure because it is processed by solid casting in the production stage to enhance its deformation property. It is not subject to yield-point runout and can, therefore, require low levels of maintenance.
High integrity is what we should pursue. We would like to operate successfully in a changing market through our sincere business activities. We swear no deceit or fraud will be involved.