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描述
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Guangzhou Line (approximately 3000 tons per year)
*Bidding price for Guangzhou line with a capacity of less than 3 tons：
*Bidding Price for 3-5 Tons of Guangzhou Line：
*Bidding price for 5-10 tons of Guangzhou line：
*Bidding price for 10-20 tons of Guangzhou line：
*Bidding price for Guangzhou line with a capacity of over 20 tons：