Pentapro Materials Inc. manufactures and sells organometallic precursors and fine chemicals. Its products include trimethylgallium, trimethylaluminum, trimethylindium, triethylgallium, and diethylzinc. The company also provides bubbler and testing services, serving the semiconductor, compound semiconductor, and solar energy industries. Founded in 2011, it is headquartered in Zhubei, Taiwan.