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                                                                                                                     4,4’-Diaminostilbene-2,2’-disulf..
                                                                                                                     p-nitrotoluene-o-sulfonic acid ..
                                                                                                                     4,4-Dinitrostilbene-2,2-disulfon..
                                                                                                                     Aniline-2,5-disulfonic acid mono..
                                                                                                                     Para Amino Azo Benzene 4 Sulfoni..
                                                                                                                     4-aminobenzene-1,3-disulphonic a..
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                                                                                                                About us

                                                                                                              Luoyang Dongyuan Chemical Co.,Ltd.was founded in 1997, is located in the ancient capital of Luoyang, is a collection of scientific research, production, trade as one of the private enterprises. The company occupies 35,000 square meters, has fixed assets of 50 million yuan, 200 employees, including all kinds of engineering and technical personnel and 50 college graduates, the company products are DSD acid, p-nitrotoluene -o-sulfonic acid,DNSD acid.,Aniline-2, 5-disulfonic acid monosodium salt,Para Amino Azo Benzene 4 Sulfonic Acid,4-aminobenzene-1,3-disulphonic acid.Company funds is strong, superior strength, excellent equipment, excellent quality, of which more than 5,000 tons annual output of DSD acid. 
                                                                                                              The products of company are mainly exported to the United States, Switzerland and Italy, more than 10 countries and regions, the company adhere to technology and management innovation, and insist on continuous improvement and dedication to customer service effectiveness, has won the trust of customers at home and abroad. Provincial Agricultural Bank of China has been appraised as AAA grade credit enterprises, and has won municipal civilized unit, taxpayer, environmental protection and the honorary title of advanced units. 
                                                                                                              The company has the perfect production and the strong environmental protection ability, with the high quality product quality and the good faith as this management idea! "Yukito must be self-Wani, the pursuit of endless." the company will, as always, adhere to innovation, the courage to practice, and constantly open up, and strive to forge ahead and sincerely look forward to working with our customers together to create a more brilliant performance, create a better future.