Onlychem (Jinan) Biotech Co., Ltd Onlychem (Jinan) Biotech Co., Ltd can provide innovative biochemical and chemical raw material in cosmetic, life science and other industries around the globe. We're a growing, dynamic company with a vision that gives us a strong sense of who we are and an unyielding commitment to how we practice business. We are a market-focused, process-centered organization that develops and delivers innovative solutions t