Strong gluten wheat: that is, high-quality strong gluten wheat, produced in spring. Generally used for noodles and jiaozi powder. Delivery Grade Standard Deliverables: Second-class high-quality strong gluten wheat conforming to the Standard of High-quality strong gluten wheat for futures trading of Zhengzhou Commodity Exchange (Q/ZSJ 00 1-2003).

Reference: Longliang.com/zyzx/newlist. ASP? R_Id= 168

Hard wheat is hard winter wheat. Delivery grade standard: second-class hard winter white wheat meets GB1351-1999. Substitute: First-and third-class hard winter white wheat produced in winter is used to make cakes and biscuits.