Steel Structure ISO Standard Prefabricated Factory Building Pre-engineered Steel Building Specifications Model No. KXD-SSB54 Quality Control Daily Color Reference Ral Life Cycle 50 Years Engineering Team 20 Members Construction Period 60 Days Type H-Section Steel Warranty 30 Year Limited Warranty Standard GB Production Capacity 5000 ton/Month Forming Hot-Rolled Steel Origin China What is Pre-engineered Steel Building? Pre-engineered steel buildings are steel structures built