KEHUA BIOTECH Care for life Dedicate to excellence Shanghai Kehua Bio-engineering Co., Ltd. Mail: [email protected] Phone: +86-21-64950625 Website: https://www.skhb.com/en/ Address: 1189 North Qinzhou Road, 200233, Shanghai Enzyme-linked Immunoassay Reagents Rev.: V3 Rel.: February 27,2025

KEHUA BIOTECH Care for life Dedicate to excellence Blood screening Diagnostic Kit for Hepatitis B Virus• High Sensitivity: adr subtypesO.llu/ml, adw subtypes O.liu/ml, aysubtypes0.2iu/ml • Strong detection ability: Coating multiple positions of the a -determinant of HBsAg, with strong ability to detect mutant strains • Quality ControkAs GMP-certified products, every batch is nationally quality guaranteed To launch commercializedhepatitis Annual production for 4 items of New generation of HIV B serologic testkit in 1989 blood screeningexceeds 1 billion tests and HCV reagents Diagnostic Kit for...

KEHUA BIOTECH Care for life Dedicate to excellence The 4th Generation of HIV Ag/Ab Reagent Diagnostic kit for Antigen/Antibody to Human Immunodeficiency Virus Antigen antibody combined detection, shorten the window period of detection Use biotin-avidin amplification system to improve sensitivity Ensure high sensitivity and excellent specificity Hospital results KHB 4th generation of HIV reagents were tested on 700 clinical samples, achieving a 100% clinical compliance rate. Hospital results KHB’s 4th generation of HIV reagents were continuously running tests in each plasma and blood collecting...