1. ChangZeng steel h beam is analyzed and inspected on the basis of strict quality requirements. It has passed the inspection of appearance, physical properties, finishing properties, colorfastness, etc. It is easy to process and economical
2. The product is popular among the customers with high cost performance and takes a large market share. Its heat treatment includes annealed, quenched, tempered, etc
3. No errors occur during its operation. It has been tested for accuracy and Its slight physical differences are mathematically corrected in the computer operating system. It is not subject to yield-point runout and can, therefore, require low levels of maintenance
1. The release of structural profile produced by advanced technology accelerates the development of ChangZeng.
2. Shanghai ChangZeng Metal Co., Ltd. will provide unwavering quality steel channel . Get quote!