If necessary, please contact us via email. Regarding transportation: We have multiple export routes, including air, sea, and Automobile transportation (applicable to surrounding areas such as Iran, Pakistan, Afghanistan, Myanmar, Laos, Vietnam, and North Korea). We provide safe transportation guarantee. If your order is large enough, there may be a possibility of shipping -20?, Regarding payment: We will collect a 30% contract advance payment when signing the purchase contract. The remaining 70% will be settled before shipment after product production is completed. The usual payment method is China UnionPay. Please settle in the international common currency.