Zhaodong DongLong Energy Saving New Technology Co., was established in 1999, With years of industry knowledge and technology accumulation, the company has successfully developed energy-saving automatic hydraulic flaking mills, high-efficiency crushers, cottonseed peeling machines and other series of products. Among them, the energy-saving automatic hydraulic flaking mill, high-efficiency crusher, and cottonseed peeling machine have been included in the supervision products of the Grease Branch of the Chinese Cereals and Oils Association. Meanwhile made grinding and fluting machine, flaking roll, crushing roll, grinding machine and so on. Passed ISO9001: 2000 quality system certification in 2003, The products have outstanding energy-saving effects and advanced technology, reliable performance and controllable cost, Well received by the majority of users in the oil and fat industry, it is a leading enterprise in the manufacture of oil equipment. Since 2004, The company has been continuously rated as a national high-tech enterprise, At present, DongLong's products have been distributed all over the world. There are more than 500 customers in 22 provinces and 4 autonomous regions in China, including Taiwan.

Including more than 30 production lines with a daily processing capacity of more than 1, 000 tons of oil and fat. The products are exported to Russia, Hungary, Romania, Pakistan, Iran, Bangladesh, Malaysia, Sudan and many other countries. Using his own technical expertise, In order to further develop the market and increase market share, the company has invested in the construction of an independent centrifugal compound casting production line after years of in-depth investigation and research. Using centrifugal composite casting process, the roller body has a compact structure, has a unique high-temperature annealing and tempering process and makes the roller body uniform in hardness. The hardness of the DSG series can reach HS70±2, with good toughness and wear resistance. The roller grinding cycle is as long as 8 to 12 months, which is 3-4 times that of ordinary rollers. Can replace similar imported products. Independent research and production of flaking rolls and crushing rolls have laid a solid foundation for ensuring the quality of the complete machine and timely delivery. In May 2016, the first domestic φ800×2150 special high-quality DSG grain and oil roll developed and produced by the company was officially put into production.

In December of the same year, it passed the technical appraisal of the expert group of the Chinese Institute of Cereals and Oils.

DSG series rolls have obtained the European Union and North American inspection certificates for food contact material inspection, and have been rated as highly potential products. Up to now, the performance indicators of the self-developed oil roll have been widely praised in the user experience and have an excellent reputation among foreign customers. To improve the strength of processing equipment, DongLong Company plans to successively invest in large-scale roll lathes, high-end intelligent equipment such as large-scale roll inspection equipment, precise dynamic balance inspection machine, and large-scale CNC machining center equipment. Zhaodong DongLong Energy Saving New Technology Co., Ltd. Adheres to the research and development concept of keeping pace with the times, and constantly introduces the old to bring forth the new, and realizes the iteration of products. And will continue to use strict production standards, When expanding the product width, we constantly dig out the vertical depth of the product, focus on every detail of production quality, and strive to meet the needs of high-end customers for high-quality oil and fat processing equipment. DongLong's 24-hour after-sales service hotline 400-7227666, DongLong's service tenet is to make customers 100% satisfied.