May 8 - On May 8, Sinopec Zhanjiang (Zhongke Refining & Chemical) lowered its ex-works quotation for diethylene glycol (DEG) by 250 yuan/ton, with prime grade self-pickup at 7,000 yuan/ton. Chempricehub comments on DEG: Bull-Bear Score: -1. As a major domestic producer of DEG, Sinopec Zhanjiang's price cut on May 8 will guide spot market prices downward and negatively impact the domestic DEG spot market.