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15 Years No. 1 Quality Malachite Green Rapid Test Kit for Fish, Shrimp & Aquatic Products 0.5 Ppb 3-5 Min, Find Details and Price about Lab Equipment Rapid Test from 15 Years No. 1 Quality Malachite Green Rapid Test Kit for Fish, Shrimp & Aquatic Products 0.5 Ppb 3-5 Min - Nankai Biotech Co., Ltd.