I'm writing to enquire about the information of cotton seed hull, which we'd like to export to China to cultivate mushroom. The Demanded quantity is 30,000kg at least on each delivery. And the size of the product is to be 2-3mm with little fiber. The quality requirements no Pesticide fumigation applied.Water content<16%, PH amount: 6.2~7.3,proportion:7g~13g, without impurity and corruption. Show More