Hollycon Certificates: Guangzhou Hollycon Biotechnology Co., Ltd. was built in 2012. With nearly 10 years experience of health care production, we have become one of the most trusted private label health supplement manufacturers in China. We provide OEM and ODM services. Our factory manufactures gummy, capsule, tablet, softgel, powder, liquid, gel, shake, gum, mints, tea etc. We can customize the products according to clients' formula or requests. And we can customize not