Changhe Biotech is located in Shanghai, R&D and production area exceeds 2,000 square meters, including device production and R&D area, reagent production and R&D area, quality inspection area, etc. Deeply engaged in environmental biosafety, relying on its independently developed on-site rapid testing Mini PCR, Bioaerosol sampler, bioaerosol sampler and detection device, and Bioaerosol monitoring device, R&D livestock and pet nucleic acid detection reagents, focuses on on-site environmental pathogen monitoring and detection, providing an integrated solution for POCT of livestock and pets.