印度采购需求：预镀锌方管、低碳钢方管、C型槽、矩形管、矩形钢管、方钢管每公斤价格

I'm looking to source stainless steel coils and patta pattis for an upcoming project. Could you please provide details on the available grades, dimensions, and finishes for these products? Additionally, I'd appreciate information on your pricing structure, minimum order quantities, and lead times for delivery. Understanding these aspects will help us assess the best options for our needs. Thank you!