Hongze Dongjun Machinery Co., Ltd. Was founded in April 2006, a limited liability company, is the distict organization department investment unit. At present, the company has 166 employees, of which 16 have senior titles, and 50 have intermediate and junior titles. The company is located in the great premier Zhou’s hometown, the national top cities-Huai’an, adjacent to Hongze Lake which is one of the Five Largest Freshwater Lakes., is located in Jiangsu provincial economic and technological development zone-Hongze Economic Development Zone.

Dongjun Machinery is a local backbone enterprise, National High-tech Enterprise, Jiangsu Enterprise Technology Center, Jiangsu Graduate Workstation, Jiangsu Excellent Enterprise of Management and Innovation, Jiangsu Advanced Enterprise of Integration of Two Chemicals, Jiangsu Demonstration Enterprise of Intellectual Property Standardization, Jiangsu Two Chemicals Integration of National Standard Enterprise, National Intellectual Property Standard Enterprise, and Municipal specialized special new "little giant" enterprise Industry, Huai’an four-star cloud enterprise and many other honorary titles.

Dongjun Machinery mainly develops and manufactures oil and gas drilling equipment, the main products are Christmas tree, Wellhead Equipment, Shale gas sand removal device, Shale gas three-phase separator, High and low pressure valves and other high-end equipments, which is the supply network unit of China National Petroleum Corporation and China Petroleum and Chemical Corporation and China National Offshore Oil Corporation. Dongjun Machinery has strong technical force, and strives to build the company into adomestic first-class and internationally renowned drilling and production equipment manufacturing enterprise.

Dongjun Machinery adheres to the quality policy of "quality is life, customer satisfaction, consolidation for development, continuous improvement", establishes and improve the quality management system and quality assurance system. and has obtained API SpecQ1, 6A, 16C product certification and 1S09001 quality system certification from American Petroleum Institute.

Dongjun machinery products cover the country’s major oil fields, and exports to the United States, Canada, Central Aisa, Middle East and Southeast Asia and other more than a dozen countries  and regions. The main production series of Gate Valves, Valve casing head, oil(gas) wellhead device, Choke Manifold, Drilling Fluid Manifold, Cementing Manifold, Mud Gas Separator, Drilling parts and other leading products, a number of independent research and development products have won national patents. Dongjun Machinery’s product manufacturing and inspection standards exceed the American API standards. Therefore, the overseas products sold by the company hve been fully recognized by many national oil and gas fields, and the position of the products in the foreign market has been stabilized.