Zilei Heavy Steel Structure Construction (Shanghai) Co., Ltd was founded in Shanghai in 2001. Zilei is a modernized steel structure company with design, fabrication, installation and service, integrated together. We are furnished with advanced equipments for welding H Shape Steel and Boxing Shape Steel. All the main equipments are numerically controlled and imported from the best manufacturers.
We have established complete welding procedure of AWSD1.1, ISO15614-1, DNV-OS-C401 and passed LGA certification of Germany. Zilei took the lead in passing ISO 9001 in the same industry, and under the normal running of quality system, we combine all the advantages of personnel, field, equipment and workmanship to ensure the integrated quality of steel structure, all the way from initial to the final stage. We introduced the top-class equipments from Japan and Taiwan, including a fully automated Primary Process Line, which is totally numerically controlled from cutting, assembly, welding, straightening and drilling, to ensure the quality and precision of the products.
Design, fabrication, installation of steel structure for refining and petrochemical, building, bridge, tower and equipments, as well as related General Contracted Civil Works.