Hanghai Dezheng Chemical Industry Co., Ltd. is a professional manufacturer producing, warehousing and trading petrochemicals. Due to our continuous effort and commitment in the last years Dezheng has become the largest and well-known manufacturer and retail service provider of solvents and HPLC reagents in China. Dezheng products are exported to Europe, India and North American markets and achieve annual revenue of ca. 20 million U. S. Dollars.

Based on professional technology research and powerful financial strength, Susong Longhua Fine Chemical Co., Ltd owns the most advanced and largest acetonitrile purifying equipment and is specializing in research and development production of high-performance liquid chromatography reagents and electronic chemicals. Susong Longhua believes in business values of "quality, innovation, service" and insists on excellent manufacturing processing technology and reliable quality assurance.

Susong Longhua is determined to become the global leader in solvent and reagent fields.