美国采购需求：钢材种类、钢材价格、钢管、钢筋、金属钢材、钢结构住宅

I'm interested in exploring your range of shohan products. Could you please provide me with detailed information, including specifications, available models, pricing, and any minimum order quantities? Additionally, I'd like to know about lead times for production and shipping, as well as any customization options that may be available. Looking forward to your prompt response, as I'm keen to assess how your offerings align with our needs.