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Zhengzhou Siwei (group) Co., Ltd. is a company specialized in grain and oils, lecithin, feedstuff and protein industries. such as oilseeds pre-processing, oil extraction and oil refining.It has 420 employees currently, including 68 Intermediate or above technical personnels, 2doctors, 8 masters, 6 professors and 13 renowned experts of domestic oils & fats industry.The engineering services include customized process design, consultancy, equipment fabrication, operators' training, process trouble shooting, process automation, turn key projects or supply of plant equipment and after sales service for components, spares and service parts for grain and oils, lecithin, protein, feedstuff. Our company has passed ISO9001:2000 international quality management system certification successfully. We have first-class consultation, project design and total contract certificate on grain & oil projects and many rewards.Till now, we have constructed/expanded/upgraded projects for more than 500 customers. As the leading manufacturer and designer of oils & fats in China, we are dedicated to designing, building and delivery the best equipment and products on the global market. Now our achievements have spread to Russia, P.R.Korea and Mexico. Products-liquid lecithin, de-oiled lecithin are popular in Chinese market and abroad, and we weclome agents from all the countries.