On July 18, for noon trading, Taicang spot reference negotiation was carried out at around 2,260 - 2,270 yuan/ton, and the basis of offer was flat to +5 yuan/ton, with high-end small orders;7 basis was +5 ~+10 yuan/ton, 8 basis was negotiated at +10~+15 yuan/ton, 9 basis was +35 yuan/ton or 10 contract price was flat.