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邮购优惠及折扣办法：不论订购金额多少，一律免收邮挂费；·凡一次性订购金额３００元以上９折；凡一次性订购金额５００元以上８．５折；凡一次性订购金额１０００元以上８折;·凡一次性订购金额５０００元以上７折。请将购书款汇至：重庆建新东路４２号重庆科潮电子图书有限
Mail order discount and discount methods: no matter how much the order amount, all free postage hanging fee; Where a one-time purchase amount of 300 yuan more than 9 fold; Where a one-time purchase amount of 500 yuan more than 8.5 fold; Where a one-time subscription amount of 1,000 yuan More than 20% off; · Where a one-time purchase amount of 5,000 yuan more than 7 fold. Please remit the purchase of books: Chongqing New Road, No. 42 Chongqing Branch of the e-books limited