They have 15 U.S. patent applications. Here is one: appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=5&f=G&l=50&d=PG01&S1=%22Shenzhen+New+Industries+Biomedical%22&OS=%22Shenzhen+New+Industries+Biomedical%22&RS=%22Shenzhen+New+Industries+Biomedical%22 Chemiluminescence Detector and Detection Method Thereof