Mineral Fiber, Vermiculite, Sepiolite manufacturer / supplier in China, offering Professional Production Golden Expanded Vermiculite 1-3mm 2-4mm Using for Agricultural Planting and Horticulture, Professional Production Golden Expanded Vermiculite 3-6mm 5-8mm Using for Agricultural Planting and Horticulture, Professional Production Golden Expanded Vermiculite Using for Horticulture and so on.