Province, China. From pure trade initially to establishing cooperative R&D laboratories , now we has three contract production sites in China. We focused on custom R&D, custom production and international trade of : ☆ Small molecule pharmaceuticals APIs ☆ Key intermediates of APIs ☆ New materials (photoresist,PI monomers, OLED intermediates) ☆ Fine chemicals(Optical Brightener, Dyes & Pigments)