Hunan Zhongtianyuan Environmental Engineering Co., Ltd.

Hunan Zhongtianyuan Environmental Engineering Co., Ltd. is a high-tech enterprise with membrane separation technology, filtration technology, high-efficiency mixing technology, reaction engineering technology, and environmental protection technology as its main research directions and industrial applications. Founded in 2006, the company is headquartered in the National New Industrialization Industry Demonstration Base—Hunan Pingjiang High-tech Industrial Park, covering an area of 23,000 square meters with a total construction area of 26,000 square meters. Based on the absorption of advanced foreign technologies, the company independently develops a series of complete sets of membrane separation, filtration, high-efficiency mixing, reaction engineering, and environmental protection technologies and equipment, which are applied in fields such as petroleum, petrochemical, chemical, pharmaceutical, food, and environmental engineering, successfully solving industrial separation challenges of inorganic membranes. The company has a professional team of nearly 100 people led by national "*" talents, integrating R&D, design, production, and marketing management. It has developed a series of new products and new technologies with independent intellectual property rights, owns more than 50 patented technologies, has passed ISO9001, ISO14000, and ISO45001 management system certifications, and obtained A2-class pressure vessel manufacturing qualification. With strong strength, excellent products, advanced technology, a professional engineering team, and a perfect after-sales service system, the company wholeheartedly provides customers with filtration and separation technology consulting, process design, complete filtration system construction, industrial wastewater treatment engineering design, commissioning, operation, management of complete facilities, and professional personnel training, etc., and has been unanimously recognized and praised by the industry for nearly 20 years. The company is a central budget investment enterprise of the National Development and Reform Commission's ecological civilization construction special project, a Hunan Province new material enterprise, a "5 100" major product innovation enterprise, a specialized and sophisticated "little giant" enterprise, and a Hunan Province enterprise technology center, and has won the National "Mother River Award" Green Contribution Award. The company has jointly established a membrane separation joint laboratory with the Department of Chemical Engineering of Tsinghua University, and plans to jointly establish a doctoral workstation with Tsinghua University. It is an industrialization base of the Energy and Environment Center of Tsinghua University Strait Research Institute, a production base of Qingda Tianyuan (Xiamen) Technology Co., Ltd., a university-enterprise cooperation industry-university-research base of the Powder Research Institute of Central South University, a university-enterprise cooperation industry-university-research base of the School of Chemical Engineering of Xiangtan University, and a partner for industry-research integration and achievement transformation with well-known domestic research institutions such as the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, the Sinopec Research Institute of Petroleum Processing, and Tsinghua Strait Research Institute. The company's core products: ceramic membranes, metal sintered membranes, metal sintered filter materials, ion exchange membranes, and sewage deammoniation membranes. The company's core equipment: ceramic membrane filters, metal composite membrane filters, metal sintered filter filters, heterogeneous membrane electrodialyzers, homogeneous membrane electrodialyzers, bipolar membrane electrodialyzers, deoxygenation membrane modules, high-efficiency mixers, high-throughput heat exchangers, microchannel reactors, reactors, towers, etc. The company's complete technologies: complete technology for oil slurry filtration, complete technologies for reaction processes such as hydrogenation reactions (liquid-phase jet fuel hydrogenation, diesel hydrogenation, residue hydrogenation, reformate olefin removal hydrogenation, oil slurry hydrogenation, white oil hydrogenation, waste lubricating oil hydrogenation, gutter oil hydrogenation, edible oil hydrogenation, anthraquinone hydrogenation, caprolactam hydrogenation, and other organic hydrogenation reactions), oxidation reactions (preparation of cyclohexanone by oxidation, preparation of hydrogen peroxide by oxidation of hydroanthraquinone, etc.), epoxidation reactions (propylene oxide, epichlorohydrin, etc.), nitration reactions, etc., complete technologies for sewage deammoniation, oil sludge treatment, and tank cleaning and dirty oil treatment, wet catalytic oxidation technology, nano-membrane air flotation technology, and complete technologies for treatment of wastewater such as caprolactam wastewater, propylene oxide wastewater, and epichlorohydrin wastewater. The company's corporate philosophy: people-oriented, science and technology first. Service philosophy: integrity, excellence, innovation. Corporate goal: to become a * provider of filtration and separation technology and solutions. We eagerly desire like-minded outstanding talents to join us. Here there is a fair and just, people-oriented working environment, a united, harmonious, and enterprising working atmosphere, excellent salary and remuneration, and a reasonable incentive mechanism. We welcome young talents and expert elites from all over the world to join us! Company benefits: five-day, eight-hour work system, weekends off, statutory holidays, five insurances and one housing fund, year-end bonus, commission bonus, communication allowance, transportation allowance, holiday benefits, health checkups, free working meals, free apartment housing, etc. Headquarters address: No. 3 Kunyu Road, Innovation and Entrepreneurship Park, Pingjiang County High-tech Industrial Park, Yueyang City, Hunan Province (1 hour drive from Changsha urban area). Branch address: B6-604, Huanchuang Enterprise Plaza, Yuelu West Avenue (Changsha Metro Line 2 extension is planned to open in February 2025, with the nearby station Yuelu Avenue Station).