求購下列水泥: 1、Commodities: a. Ordinary Portland Cement (OPC) b. Moderate Sulphate Resisting Cement (MSRC) c. Sulphate Resisting Cement (SRC) 2、Destination: CFR Arab Saudi main port 3、Quantity: 4,000,000 tons combined shipments per contract 4、Payment: irrevocable, confirmed L/C at sight 5、Packing: in bulk of 1.5MT Jumbo bags