Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

1. Who are we We are based in Shaanxi, China, start from 2018,sell to North America(00.00%), Western Europe(00.00%),South America(00.00%),Southeast Asia(00.00%), Eastern Europe(00.00%). There are total about 11-50 people in our office. 2. How can