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Research and development

We have many national patents and know–how in the field of filtration, separation and vapor recovery. As the supplier of China Petroleum and Chemical Corporation(SINOPEC), China National Petroleum Corporation(CNPC), China National Offshore Oil Corporation(CNOOC), our quality products and services are well recognized by these large companies and other Fortune 500 companies, and the close cooperation with them in the past years have won us a well established business reputation.