[Tianjin Zinc Ingot Premiums Rise Due to Contract Rollover]: This week, spot premiums in the Tianjin region rose, up 20 yuan/mt WoW. As of this Friday, ordinary brands in China quoted discounts of around 100~120 yuan/mt against the 2607 contract, premium brands quoted discounts of around 50 yuan/mt against the 2607 contract, and the Tianjin market quoted a discount of around 40 yuan/mt against the Shanghai market, all based on the contract rollover this week.