CNHNTYDT(Hereinafter referred to as HDP) with occupied area of 142200m2 and 336 employees is located at East Changhong Road, Tangyin, Henan Province of China. Since founded, HDP has been dedicated in the developing, manufacturing and trading of bulk API and its intermediates, such as NSAIDs (Diclofenac series), steroids, antitumor drugs(CPT series),and antiviral drugs (Adamantane series),etc. Especially, HDP now has developed into the biggest manufacturer of diclofenac series in the world with an annual production size of 2000 tons. By strictly following ICH guidelines, GMP regulations and its operation philosophy of Health is critical, quality is primary in both manufacturing and management area, HDP maintains a leading advantage and a reputation for high quality bulk API products in the world market. Till now, HDP has been granted Chinese GMP Certificate, ISO9001-2000 certificate, European CEP Certificate. In addition, our DMF of Diclofenac Sodium has been registered in Russia Federal, Japan, Taiwan, Korea and etc. Through its endless effort to benefit mankind, HDP is seeking for playing a role of responsible supplier for drugs with more safety and efficacy worldwide.