印度采购需求：商业金属建筑、钢结构厂房、大型金属建筑、金属办公楼、金属预制建筑、钢制门式刚架

I'm interested in exploring options for pre-engineering building materials for an upcoming project. Could you provide me with detailed information on the types of materials you offer, along with any specifications? Additionally, I'd like to know about pricing, delivery times, and bulk order discounts. If you could send over catalogs or brochures, it would be greatly appreciated. Looking forward to your prompt response so we can move ahead efficiently!