求翻译：20箱海运：RMB800.00，自己送货到三山，货到目的港的价钱：到客人仓库RMB2900.00起步，（30公里以内2900.00）这个费用包目的港清关，但不含关税，关税实报实销。船期18-20日是什么意思？

Shipping 20 boxes: rmb800.00 their own delivery to the price of three mountains, the goods to the port of destination: to guests warehouse rmb2900.00 start, destination port clearance (less than 30 km 2900.00) cost of the package, but excluding tariffs, tariff-accountable . Sailing 18-20 days

seaborne: 20 chassis RMB 800.00 and shipping to 3 Hill, to the port of destination warehouse price: the guests start RMB 2900.00 (2900.00 ) within 30 km the port of destination packages for customs clearance, but it does not contain real-time tariffs, tariff. The period from 18 - 20

20 box of marine transportations: RMB800.00, own deliver goods to three mountains, the delivery port of destination price: To visitor warehouse RMB2900.00 start, (in 30 kilometers 2900.00) this expense package of port of destination clear pass, but does not contain the customs duty, the customs duty

20 boxes of shipping: RMB800.00, their delivery to three mountains, the price of goods to the port of destination: warehouse RMB2900.00 start to the guests, (within 30 kilometers of 2,900) the costs port clearance, but without tariffs, tariff accountable. Shipping schedules 18-20

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