Date: May 31 The following is the GB grade 1 soybean oil transaction reference price (original as bean salad) Unit: Yuan/Ton Area Product Name Price Yesterday's Change DaLian grade 1 soybean oil 6340 0 HeBei QinHuangDao grade 1 soybean oil 6300 0 TianJin grade 1 soybean oil 6180-6190 0 ShanDong RiZhao grade 1 soybean oil 6050 0 HeNan ZhengZhou grade 1 soybean oil 6250 +10 Eastern China zhangjiagang grade 1 soybean oil Y1609+270 GuangDong DongGuan grade 1 soybean oil Y1609+50 Guangxi FangChengGang grade 1 soybean oil 5970 0