美国采购需求：半挂车、自卸拖车、自卸拖车、越野工程车、城市清洁车、特殊用途车辆

I'm interested in your semi-trailers and would like to know more about your minimum order quantity. Understanding the MOQ will help me gauge the feasibility of potentially placing an order with you. Additionally, could you provide any details on lead times, pricing tiers, and available customization options? This info would be really helpful in making a well-informed decision. Thanks!