Dongying Yuanda Chemical Co., Ltd. [est. June 1993] is located in the Shengli Oil Field which is part of beautiful and fertile Yellow River Delta. Yuanda is the brainchild of Mr.Chen Dehua, an oilfield chemistry expert and a group of oilfield workers. The company's research and devleopment has resulted in the manufacture of enhanced oil recorvery (EOR) surfactants and OPP&OPP-Na. Currently, Yuanda is the largest Surfactant-polymer EOR sufantants producer in China, and one of the word's leading producers of Ortho-phenylphenol (OPP).

Yuanda's operations covers an area of more than 5, 000 m2, the workshop area 150, 000 m2 with over 50 different sets of production, testing and detection equipment. We employ over 250 employees, including 2 qualified professors [one of which enjoys governmental subsidy], 2 doctors, 2 master and 4 bachelor degree holders. The company adheres to the ISO9000 International Quality Authentication standard, and has recently been awarded the High-and-New technology Enterprise award in Shandong Province, for outstanding sales achievement in 2008 [ Surfactant-polymer EOR surfactants --- 20000 mt, Ortho- phenylpheno l (OPP) ---1200 mt, overseas-960 mt, domestic-240 mt].

Yuanda's management have established a Technical Center which is fitted out with the latest workshop technology to ensure a high standard of excellence in theory and practice. The Technical Centre has established ongoing communications and cooperation from the Shengli Oilfield Geological Institute of Science and Technology Research, the Chinese University of Petroleum (CUP), Nanjing University of Science and Technology, the Shandong University and the University of Jiangnan.

The company dedicates itself to develop international markets while continuing to supply the local markets. Our products have been exported to Germany, Netherlands, Poland, Belgium, Switzerland, USA, Chile, Brazil, Japan, South Korea and China Taiwan.

Yuanda's yearly production capacity of Surfactant-polymer EOR products is 20000 mt and our products are based on experimental research carried out at the Gudao Oil Field and the Shengli Oilfield Geological Institute of Science and Technology Research Centers since 1993. The technology used in the production of Surfactant-polymer EOR surfactants keeps Yuanda as a leader in China, and is propelling them onto the world stage.

Yuanda's yearly production capacity of Ortho-phenylphenol(OPP) products is 3000 mt. Our OPP product has a very high level of purity and an outstanding color & odor quality, and is priced competitively.

From the main raw material of free-AOX-- DOPO, to numerouse fungicide, bacteriostat, Sanitizer, microbicide and disinfectants in European and USA markets, to pharmacal fields, our OPP quality are improved continually. A high level of quality control has resulted in our products being accepted by a number of multinational enterprises, and those enterprises are assisting us to register with the EPA, FDA and BPD, so that we may avoid being penalized by the 'Green Trade Barrier'.

Yuanda has a very strong capital base, insists on staying at the leading edge of technology, has a continuing high standard of management and knows very well that Customer Credit is major cornerstone of enterprise survival.

(1, 1'-Biphenyl)-2-ol OPP 1-Hydroxy-2-phenylbenzene Ortho phenyl phenol 2-Bifenilol Ortho-biphenylol 2-Biphenylol Ortho-diphenylol 2-Fenifenol Ortho-hydroxybiphenyl 2-Fenilfenolo Orthohydroxydipbenyl 2-Fenylfenol Orthophenyl phenol 2-Feylfenol Ortho-phenyl phenol 2-Hidroxibifenilo Orthophenylphenol 2-Hydroksybifenyl Ortho-phenylphenol 2-Hydroxy- Orthoxenol 2-Hydroxybifenyl Ortho-xenol 2-Hydroxybiphenyl O-Xeno 2-Hydroxybiphényle O-Xonal 2-Hydroxydiphenyl Phenol 2-Idrossibifenile Phenylphenol 2-Phenylphenol Preventol O Extra Bifenil-2-olo Remol TRF