YILI Steel Structure is the leading Chinese manufacturer of metal building kits for the agricultural sector, industrial sector, Commercial sector, own a number of patents and international certifications SGS, Bureau Veritas, EN1090 EXC2, CE, IWE, ISO9001. YILI Steel Structure has delivered more than 16 600 buildings in the world. Our company regularly invests in its manufacturing facilities to offer you the best value and the shortest delivery time (6-8 weeks).