Shenyang longbang international Trading Co.Ltd is a private enterprise established and registered in Shenyang City in July 2007.The company is committed to import and export of a broad range of products, such as chemical products (including API and intermediate), make-up products, chemical raw materials and so on .In pharma and drugs fields ,We specialize in custom synthesis of complex organic molecules and technology service .Our clients include drug discovery divisions of major pharmaceutical companies and pharmaceutical plant. We offer high quality, custom-made organic chemicals from gram to kilogram scales. We also provide technology service for our clients in order to support their scale up in some product . A typical project requires designing and executing the multi-step synthesis of a drug intermediate or . active pharmaceutical Ingredients.Our catalog products include unique chiral building blocks, heterocyclic compounds, chiral ligands and other active pharmaceutical ingredients.