Louston International Inc.

Louston is a technology-driven company. We focus on developing innovative      technologies to offer our customers with our chemistry solutions tailored to      meet you needs while maintaining cost competitiveness through our      manufacturing locations in China.         Louston has both the expertise and flexibility to produce a wide range of      chemicals. Focusing on developing the innovative technologies for organic      synthesis, Louston produces a proprietary line of products, such as      Prostaglandins and their intermediates; fluorine organic chemicals, chiral      intermediates,  pyridines, pyrimidines and aromatic boronic acids that are      marketed world wide. Equally important, Louston performs custom synthesis,      contract manufacturing and toll manufacturing providing the bulk active      ingredients and advanced intermediates. With the headquarter in      Pennsylvania, USA, Louston has pilot plant and commercial manufacturing      sites in China, which enables us to maintain with the cost competitiveness.