Slide 1CNBM International Corporation Slide 2 Company Profile CNBM, China National Building Material Group Corporation, is the largest group company in China building material…
Slide 1 بسم الله الرحمن الرحيم Slide 2 Classification of Elements l.C,H,O,N,S 2. Ca,P,mg,Na,K,Cl(Nutritionally elements) 3.Cr,Co,Fe,Cu,Zn,Mn,Mo,Se,I,….…