
ChangZeng has established the first brand image of the steel beam industry in China steel beam. ChangZeng's main products include steel products series. In general, using this product is the easiest and most effective way to promote a commodity. This is because its use helps to brand this commodity. Its heat treatment includes annealed, quenched, tempered, etc. ChangZenghas extended our business to many overseas countries and regions to form a truly global network. It is not subject to yield-point runout and can, therefore, require low levels of maintenance.

Our company will stick to the high standards of professional conduct, and to ethical and fair business dealings with our customers to achieve long-term success.