Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por

Purity, Strength, Price Application:dye intermediate