We buy:1, Prime Hot Rolled Steel BilletsGrade: ST 5 SP/PSSize: 65x65mm; 125x125mmLength: 6m, 9m, 11.7mDelivery: CFR FO CQD Haiphong PortPayment: 100% L/C at sight irrevocable2, Construction equipment: concrete mixer trucks, dump trucks, excavators, bulldozers...We sell:Calcium Carbonate in 3 forms:- White marble boulders/chips for grinding purpose- Marble powder for ceramics/plaster production- Ultra-fine Ground Calcium Carbonate for paper/plastic/rubber industrie