Product threshold: 3ng/ml, 5ng/ml and due to your demands. Operational procedure: 1. Add about 3-4 drops urine sample (60-80ul) in the card hole and wait 5-10 minutes. 2. Judge the results. Applying....
HuiFan Technology is a leading biometric & CCTV manufuturer in China, with it¡¯s headoffice in Shenzhen.incorporating development, production, marketing and servicing as a whole. In recent years,....