Tianjin Huajing Engineering Technology Limited Company (abbreviated: Huajing Company) of the Formerly known as Linyi Yuanjing Chemical New Technology Co., Ltd., established. 2001 Year, company 2010 Year 5 The company relocated to Tianjin and was renamed Tianjin Huajing Chemical New Technology Development Co., Ltd.

Hua Jing Company’s core business is: Chemical industry --- New products in industries such as dilute nitric acid, concentrated nitric acid, ammonium nitrate, disodium salts (sodium nitrate and sodium nitrite), nitro compound fertilizers, and potassium nitrate. Development, design of technologies, new processes, and new products, as well as technological upgrades and renovations of existing equipment in the above-mentioned industries.

Hua Jing Company currently possesses domestically leading and internationally advanced technologies for the production of dilute nitric acid via the “double-pressure method,” the “high-pressure method,” and the “pressurized liquid ammonium nitrate” process. - Porous ammonium nitrate - Crystalline ammonium nitrate - Production of Large-Granule Ammonium Nitrate, Production of Two-Sodium via the Direct Method, Concentrated Nitric Acid Production by the Magnesium-Nitrate Process, Production of Nitric Acid Phosphate Fertilizer and By-Product Calcium Ammonium Nitrate via the Freezing Method, Production of Ammonium Calcium Nitrate, Production of Ammonium Nitrate Phosphate, Nitric oxide Production, Treatment of Sodium Tail Gas, Concentration and Recovery of Magnesium Nitrate Wastewater, Potassium Nitrate Production, and others. 10 Multiple new technologies are available. We also have extensive experience in technical upgrades for facilities producing conventional dilute nitric acid, concentrated nitric acid, ammonium nitrate, sodium nitrate and sodium nitrite, nitro compound fertilizers, potassium nitrate, and other related products. These upgrade solutions have been successfully implemented at numerous manufacturing enterprises (see detailed performance report). As a result, these enterprises have achieved significant economic benefits by reducing energy consumption, lowering production costs, improving product quality, and enhancing overall operational efficiency.

Huajing Company currently has a total of engineering design and on-site technical service personnel specializing in various fields such as chemical processes, equipment, instrumentation, and more. 30 Others, among whom Main The technical personnel are all experts from manufacturing enterprises, research institutions, and design organizations across the country. They have decades of practical experience in research, design, and production, and provide comprehensive technical guidance to Huajing Company—from feasibility studies and detailed engineering design to on-site installation, as well as personnel training and commissioning services—covering every stage of their patented and proprietary technologies. Some of these experts have traveled abroad numerous times to study the production processes and equipment used in nitric acid, ammonium nitrate, and nitro-based compound fertilizer plants in developed countries, playing a vital role in guiding and promoting Huajing Company’s technological development.

Currently, Huajing Company’s technical staff consists of five major groups: ( 1 ) In-house experts in the nitric acid and nitrate industry (including dilute nitric acid, concentrated nitric acid, sodium nitrate, ammonium nitrate, nitro fertilizers, potassium nitrate, etc.); 2 ) Industry experts (from home and abroad) hired by the company, specializing in areas such as dilute nitric acid, concentrated nitric acid, ammonium nitrate, nitro-based compound fertilizers, and potassium nitrate; ( 3 ) A technical backbone with many years of experience in design work from a domestic design institute; ( 4 ) Production and technical backbones who have worked for many years in factories, engaged in production operations and management.

Hua Jing Company promises:

For the owner's construction projects, ensure that: “ First-class design, first-class service, reasonable pricing, cost-effective investment, and economical operation. ” This is the hope and requirement that any enterprise undertaking an investment and construction project has for the design firm it selects. Yet not every design firm is capable of meeting this expectation—and Huajing Company deeply understands this point.

“ If you’re going to do it, do it right. ” This is the principle that Huajing Company has consistently adhered to in its work. Over the years, Huajing Company has indeed operated according to this very principle, and by getting things done well, it has earned the recognition and trust of most domestic industry clients—and that’s precisely what has enabled Huajing Company to achieve its current level of development.

1 Achieve first-class design. For any construction project undertaken by Huajing Company, the company first assembles experts from various fields to conduct thorough feasibility studies on key technical issues and design solutions, and then optimizes these designs to ensure they are scientifically sound and rational. Technical improvements and innovations are incorporated into the designs wherever possible—this is an essential procedure in Huajing Company’s engineering design process. After the company’s experts have determined the optimal technical and design solutions, the company’s specialized designers, in close collaboration with the design institute, proceed to complete the preliminary design and final construction drawings.

2 Achieve first-class service. Huajing Company is confident that its service is superior to that of any other design firm in China. This is because Huajing boasts highly qualified on-site technical service personnel who not only offer numerous practical, experience-based recommendations for the company’s design projects but also provide on-site guidance during installation and oversee operations to ensure quality for the client. Moreover, throughout the design process, Huajing places great importance on and promptly incorporates rational suggestions from clients that are tailored to the actual on-site conditions, ensuring that the designs are practical, scientific, and well-reasoned. “ Think what the owner thinks, and be anxious about what the owner is anxious about. ” It is Huajing Company’s service philosophy.

3 Achieve reasonable pricing. Hua Jing Company promises: For the same construction projects and the same process technologies, Hua Jing Company will offer the lowest fees for technology transfer and technical services. Although Hua Jing Company has been established relatively recently and already boasts a considerable track record, we are forward-looking and place great value on the recognition and trust of our clients, on achieving even greater and larger-scale accomplishments, and above all, on contributing to the growth and development of China’s nitric acid and nitrate industry. Therefore, Hua Jing Company’s pricing principles for technology transfer and technical services are as follows: “ Year-on-year lowest, reasonable win-win ”。

4 Achieve investment savings. In the technology-transfer projects undertaken by Huajing Company, the investment required is significantly lower than that for similar facilities designed by other engineering firms (with specific examples provided). First, we rigorously control the design phase to ensure that no waste or unnecessary investments are incurred for the client. Second, we carefully vet equipment and construction contractors on behalf of the client, selecting manufacturers and construction companies that offer guaranteed quality at reasonable prices (with specific examples provided). These two measures alone can reduce the overall project investment by approximately... 10 About %.

5 Achieve economic stability and operation. The quality of an engineering design is primarily judged by whether the plant operates economically. In addition to achieving the most optimal and rational design during the planning stage, Huajing Company goes all out to provide on-site services throughout the individual unit commissioning, integrated commissioning, and chemical feed-in commissioning phases. We complete all commissioning tasks in the shortest possible time, thereby minimizing commissioning costs. Specifically, in terms of operation and control, Huajing Company provides operational skills training to personnel, ensuring that operators acquire the best possible operational techniques and enabling the plant to run for long periods in a safe, stable, and economical manner.

Thanks to its optimized talent structure and rigorous, scientific approach to work, Huajing Company can confidently promise its clients that, for any project it undertakes—whether in terms of process technology, engineering design, installation guidance, or commissioning services—it will consistently deliver first-class performance domestically. We are fully confident and assured that, building on our previous experience with similar installations, we can further enhance the new client’s facility, taking its operational standards to an even higher level.

We will ensure that our designed equipment achieves the overall objectives of long-term, safe, stable, and economical operation through first-class design, reasonable pricing, cost-effective investment, and high-quality service, thereby providing a satisfactory response to the leadership and all employees of the client organization.

Hua Jing Company’s business scope:

I. Complete Sets of Technology and Engineering Design

1 , rare   Nitrate   Acid   system   List

[ 1 】   《 10 Ten thousand tons / Annual double-pressure method concentration 60-68% ( weight ) Dilute Nitric Acid Plant, 15 Ten thousand tons / Annual double-pressure method concentration 60-68% ( weight ) Dilute Nitric Acid Plant, 20 Ten thousand tons / Annual double-pressure method concentration 60-68% ( weight ) Dilute Nitric Acid Plant, 27 Ten thousand tons / Annual double-pressure method concentration 60-68% ( weight ) Dilute Nitric Acid Plant, 36 Ten thousand tons / Annual double-pressure method concentration 60-68% ( weight ) Dilute Nitric Acid Plant, 45 Ten thousand tons / Annual double-pressure method concentration 60-68% ( weight The complete set of technologies and engineering design for the dilute nitric acid plant.

[ 2 】   《 5 Ten thousand tons / Annual high-pressure method concentration 60-65% ( weight ) Dilute Nitric Acid Plant, 10 Ten thousand tons / Annual high-pressure method concentration 60-65% ( weight The complete set of technologies and engineering design for the dilute nitric acid plant.

2 , thick   Nitrate   Acid   system   List

《 5 Ten thousand tons / Annual magnesium nitrate concentration 98.5–99% ( weight ) Concentrated Nitric Acid Unit, 🛡️ 10 Ten thousand tons / Annual magnesium nitrate concentration 98.5–99% ( weight ) Concentrated Nitric Acid Unit, 🛡️ 12 Ten thousand tons / Annual magnesium nitrate concentration 98.5–99% ( weight ) Concentrated Nitric Acid Unit, 🛡️ 15 Ten thousand tons / Annual magnesium nitrate concentration 98.5–99% ( weight The complete set of technologies and engineering design for the concentrated nitric acid plant.

3 Nitrate   Acid   Ammonium   system   List

《 6 Ten thousand tons / Annual Pressurized Process for Liquid Ammonium Nitrate and Crystalline Ammonium Nitrate Units, 12 ~ 25 Ten thousand tons / Annual Pressurized Process for Liquid Ammonium Nitrate and Crystalline Ammonium Nitrate Units, 15 Ten thousand tons / "Annual Pressurization Method Liquid Ammonium Nitrate and Porous Ammonium Nitrate Equipment," 20 ~ 25 Ten thousand tons / Complete sets of technology and engineering design for the “Year-Pressurized Liquid Ammonium Nitrate and Porous Ammonium Nitrate Plants.”

4 Nitrate   Acid   Salt   system   List

[ 1 】   《 2 Ten thousand tons / Annual Direct Method Two-Sodium Unit, 5 Ten thousand tons / Annual Direct Method Two-Sodium Unit, 6 Ten thousand tons / Annual Direct Method Two-Sodium Unit, 8 Ten thousand tons / Annual Direct Method Two-Sodium Unit, 10 Ten thousand tons / The complete set of technologies and engineering design for the “Annual Direct Method Two-Sodium Plant.”

[ 2 】   《 5 Ten thousand tons / Potassium Nitrate Plant Using the Year-By-Year Decomposition Method, 10 Ten thousand tons / Complete set of technologies and engineering design for the potassium nitrate plant using the annual decomposition method.

5 Nitrate   base   Recovery   Combine   Fat   system   List

《 5 Ten thousand tons / Annual Rotary Drum Fluidized Bed Granulation Nitrogen-Based Compound Fertilizer Plant, 5 ~ 20 Ten thousand tons / Annual Rotary Drum Fluidized Bed Granulation Nitrogen-Based Compound Fertilizer Plant, 15 Ten thousand tons / Annual Rotary Drum Fluidized Bed Granulation Nitrogen-Based Compound Fertilizer Plant, 20 Ten thousand tons / Annual Rotary Drum Fluidized Bed Granulation Nitrogen-Based Compound Fertilizer Plant, 10 ~ 45 Ten thousand tons / Annual Freezing Method Nitrophosphatic Fertilizer Plant, 5 ~ 25 Ten thousand tons / The complete set of technology and engineering design for the annual rotary fluidized-bed granulation ammoniation calcium nitrate plant.

Contact Information:

· Earth      Address: Beichen Building, Beichen District, Tianjin City 2 Building No. X 501

· Website: http://www.hjgs501.com

· Union   system   Person: Liu Zhenlu (Mobile phone: 13662143694 )

· Contact phone number: 022-86896517/86896527 Fax: 022-86896537