Henan Xinxiang No. 7 Chemical Co., Ltd.

Henan Xinxiang No.7 Chemical Co., Ltd is specialized in manufacturing oilfield chemicals. We are the first and now the largest manufacturer of sulfonated asphalt here in China. We have always been focusing on the producing and researching of oilfield chemicals since the very beginning of our establishment, and are playing an important role in both domestic and international market.We began to research and develop the production of sulfonated asphalt in 1983 under the leadership of specialists from China Institute of Petroleum Exploration & Development. In 1984, we tried the production of this new product after one-year's effort, and it was proved to be successful. In 1985, our sulfonated asphalt was firstly sold to oil filed to solve complicated drilling problems, such as anti-collapsing, fluid loss reducing etc. With more than 30 years' development, we could now produce many more kinds of sulfonated asphalts according to different clients' requirements.Our produc...