At QL Biotech, we are at the forefront of offering innovative solutions for drug abuse detection. One of such products is our K4 Rapid Test Strip that is renowned for its accuracy and reliability. Our tests offer an uncomplicated one-step method to detect multiple types of drugs, including Synthetic Cannabis (K4). These kits are effectively used worldwide in various contexts ranging from professional to in-home testing. Our K4 Rapid Test Strip boasts a low cut-off level of just 20ng/ml, making it a more sensitive test compared to others in the market. This ensures that even the smallest traces of the drug can be detected, hence providing a comprehensive report. The strips are designed for urine testing, a non-invasive and easy to collect specimen. This ensures that the testing process is as easy and comfortable as possible. You'll appreciate the seamless handling and use of our K4 Rapid Test kit. QL Biotech's K4 Rapid Test Strip offers peace-of-mind to its users. Our kits are CE certified, indicating our commitment to uphold highest quality standards and regulatory compliance. The confidence in our product's precision, and its ability to deliver consistent results, has established us firmly in the diagnostic sector.



QL Biotech is dedicated to advancing drug abuse testing technology and our K4 Rapid Test Strip is a testament to this dedication. Our goal is to provide accurate, comprehensive, and easy-to-use drug testing solutions for our clients. Choose QL Biotech's K4 Rapid Test Strip for trust, integrity and precision in drug abuse detection. When it comes to drug abuse detection, trust nothing less than the best – trust QL Biotech's K4 Rapid Test Strip. Choose QL Biotech for safety, accuracy and reliability. Together, let's make our environment safe and drug-free.