... -1mm,1-2mm, 2-4mm, 4-8mm. Vermiculite: Color: Golden, SilverVermiculite Flakes: 0.3-1mm, 1-2mm, 2-4mm, ... Soil Improvement3. Fertilizer Carrier4. Hydroponics 5. Animal Feedstuffs Tianjin Golden Hugeline Co., Ltd. Located in Tianjin. Our company is a professional enterprise ... and professional service. And we always uphold the concept of “honesty, unity, friendship and pragmatism”. Win-win business is our ...