... /kit 3. Brand: Green Spring 4. ISO9001:2008 Clenbuterol rapid test stripThe GreenSpring® Clenbuterol rapid test strip is used for testing urine ... detection limit is 3 ppb(3 ng/mL).1. IntroductionThe Clenbuterol rapid test strip is based on the specific immuno-chemical ... Food Safety ELISA test kit(e.g. Nitrofuran ELISA kit, Clenbuterol ,Ractopamine ELISA kit), Animal Disease Diagnostic kits(e.g. Swine ...