... 3-1mm,1-2mm, 2-4mm, 4-8mm. Vermiculite: Color: Golden, SilverVermiculite Flakes: 0.3-1mm, 1-2mm, 2-4mm, ... Horticulture2. Soil Improvement3. Fertilizer Carrier4. Hydroponics 5. Animal Feedstuffs Tianjin Golden Hugeline Co., Ltd. Located in Tianjin. Our company is a ... principle of "Credit First, and Mutual Benefit", and we sincerely hope to establish business relationships with you based upon the mutual ...