The cork granules from Chinese cork bark have same physical property as Portuguese, mainly difference from Portuguese is growing naturally without human planting. However, it's easy growing and geographically spreading extensively in the Qinling Mountain Range( dividing China from South to North). The vast cork oak growing region in China ensure the substantial supplying cork material to Chinese cork industry, and let local people not to cut the trees and planting tree to avoid over harvesting. Therefore Chinese come to be the second cork oak growing region in world. Mesh: 32-24(0.5-0.7mm); 24-16(0.7-1.0mm);16-12(1.0-1.4mm);12-10(1.4-2.0mm); 8-4(3.0-5.0mm) Density:55-60KG/L; 60-65KG/L; 65-70KG/L; 75-80KG/L; 85-100KG/L Packaging: woven PP bag, or pressed bales from 25kgs per bale to 40kg per bale.