Zhangjiagang Donggang Pharmaceutical Development Co., Ltd. which was founded in 1976 has moved into Jiangsu Yancheng City Coastal Chemical Industry Zone and has founded Yancheng City Donggang Pharmaceutical Development Co., Ltd., Binhai New Dongfeng Pharmaceutical Development Co., Ltd. and Binhai Jinfeng Import & Export Trade Co., Ltd. They are merged into Yancheng City Donggang Pharmaceutical Development Co., Ltd. in August, 2009. As a specialized manufacturer of pharmaceutical intermediates and fine chemicals, it now has become the largest production base of intermediate of non-steroid diminishing inflammation and killing pain medicine Naproxen----acetonaphthalene in the world. Moreover, we are well known in this trade as the manufacturer of Bronopol and tetralone.

Donggang Pharmaceutical takes "first-class outlook, first-class internal quality, first-class service and quality consciousness" as quality policy. Through establishing strict QA and service systems, we are able to produce qualified products 100%. We were approved as ISO9002 proven company by BVQI in April, 1998 and obtained the certificates of ISO9001 quality system in 2005 and 2008 separately. Donggang Pharmaceutical has become an impendent import and export enterprise since 1994; up to now, we have successfully exported 80% of products into the most places and regions in the world, including EU, USA and Japan, etc, and customers are highly satisfied with our products. Donggang Pharmaceutical now has established long-term and steady cooperative relationships with famous chemical enterprise in the world.

Donggang Pharmaceutical now has built up 7 standard workshops, which are well equipped with enough power system, refrigerating installation and heating arrangement, etc. There are 150 sets of 100L-5000L stainless steel and enamel reactors, which can work in the temperature from -25鈩僼o 300鈩僡nd pressure from full vacuum to 0.3Mpa. Up to now, we have owned abundant experiences in a series of reactions such as brominating reaction, Friedel Crafts reaction, diazo reaction, nitration reaction and hydrogenation reaction, etc, thus we are very skilled in the syntheses of related products based on these reactions.

Since we were founded in 1976, we have produce several kinds of chemicals ressuch as dye, dye intermediates, pesticide intermediates, food additives and pharmaceutical intermediates, and so on, therefore we have trained and practiced a batch of experienced managers and skilled frontline operators. There are 8 senior technical workers, engineers and technicians working for our company, thus we have the good ability to produce quality-steady products and achieve sustainable development.

Donggang Pharmaceutical established Zhangjiagang Pharmaceutical Material Development Research Institute as its research institute; now, this institute becomes a part of our R&D center. On the basis of R&D center, we establish long-term cooperative relationships with Shanghai Institute of Organic Chemistry of CAS, Zhejiang University, Nanjing University, Southeast University and Chinese University of Science and Technology, and invest and found our laboratories in Southeast University and Chengdu Institute of Organic Chemistry of CAS to develop new products. At present, we invest about 8% at least of sales incomes into the R&D of new products every year. Because we lay great stresses on creativity, and work hard on the improvement of present products and R&D of new products, we have become a leading enterprise in this industry of China, with leading technologies, technicians and creative ability.

Equipped with the leading inspection facilities, we can offer 100% qualified inspection and have the good ability to keep improving and promoting the qualities of products. Therefore, our chemical products enjoy trustable reputation in the market, and now has become the first choice of famous chemical enterprises in the world. Our main inspection instruments include Waters 1515 HPLC, Schimadu LC-10AT vp plus, Perkinelmer UV-scanner visible ultraviolet spectrometry, spectrometer, atomic absorption instrument, GC9790, GC8810,GC900,GC910F,GC910T , Melting Point Apparatus, METTLER-TOLEDO analytical balance and so on.

Our main products include:

2-Acetyl-6-methoxynaphthalene (aetonaphthone) 1,000T/A

2-Bromo-2-nitro-1,3-propanediol (Bronopol ) 2,000T/A

4-(3,4-dichlorophenyl)-1-tetralone [4-(3,4-Dichlorophenyl)-3,4-dihydronaphthalen-1(2H)-one] 500T/A