美国采购需求：缝纫线，缝纫用品，涤纶缝纫线，线纱，纱线，涤纶纱

I'm interested in the clothing materials you offer and would like to get more details about them. Could you provide me with information on the types of fabrics available, their specifications, and the pricing for each material? Additionally, I'd like to know about your purchasing process, including minimum order quantities, payment terms, and lead times for delivery. This info will help me make a more informed buying decision. Thanks!