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For phosphate ore resources with low grade or high impurity content, this technology employs a dihydrate process route to achieve the industrial production of wet-process phosphoric acid. Its core advantage lies in its broad adaptability to raw materials, enabling the processing of various grades and types of phosphate rock, thereby reducing reliance on high-quality ore sources. The process technology represents an advanced level in the industry, with a mature and reliable technical solution. The service model is consistent with the hemihydrate-dihydrate method, starting with the preparation of the process package, followed by basic engineering design and construction drawing design, and finally providing technical management support that includes personnel training and on-site guidance. All design documents and training materials are delivered concurrently with the project, with a standard cycle of 4 to 18 months. It is recommended that overseas owners intending to develop the phosphate chemical industry under local phosphate ore resource conditions prioritize the evaluation of this technical route.

A complete process technology for producing industrial phosphoric acid using high-grade phosphate rock as raw material and adopting the semi-hydrate-dihydrate route, developed by the team's own technical force. This technology has a high degree of maturity, and currently 9 industrial units of different scales have been built and operated domestically (according to technical archives). The complete service covers four stages: process package preparation (output of complete technical solution and process flow), basic engineering design (preliminary design), detailed engineering design (construction drawing design), and technical management services (including systematic training of operating personnel and on-site production guidance). The full deliverables include process package documents, process description and flow diagrams, preliminary and detailed design drawings, operation procedure manuals and training materials. Standard service cycle ranges from 4 to 18 months. For overseas markets with rich phosphate rock resources but relatively weak phosphate chemical industry foundation, this technology possesses strong adaptability and economic viability.

Offering complete production technologies for sodium bicarbonate (baking soda) and food-grade ammonium chloride as extensions of the soda ash industry chain. The innovative design of the carbonation tower without a cooling section in the sodium bicarbonate production unit has been granted a patent by the China National Intellectual Property Administration (2019). Delivered projects cover sodium bicarbonate engineering with various capacity levels ranging from 30,000 to 200,000 tons per year (including scales such as 40,000 tons, 30,000 tons, 37,000-ton expansion, 50,000 tons edible grade, 100,000 tons/year Phase I, and 200,000 tons/year), as well as differentiated product projects such as 4,000 tons/year food-grade ammonium chloride, 50,000 tons/year ammonium chloride granulation, and 100,000 tons/year granular ammonium chloride. Deliverables include complete process package documents, engineering design drawings, operation manuals, and training materials, with a service cycle of approximately 3 to 18 months. This technical solution is particularly suitable for extending product lines and increasing added value based on existing soda ash production capacity.

This team has been deeply engaged in the soda ash industry for over 60 years (since 1957), ranking first in China for design capability in this field. The technical system comprehensively covers three major process routes: ammonia-soda process, combined alkali process, and natural soda process. Independently developed core technologies include: salt-alkali-calcium joint production process—injecting soda manufacturing waste liquid and residue into underground salt caverns for salt dissolution, desulfurization, and solid filling, which is a world first; horizontal belt vacuum filtration and energy-saving technology for soda ash—recognized by authoritative evaluation as reaching international advanced level and included in the National Key Energy-Saving and Low-Carbon Technology Promotion Catalog; as well as key technologies such as shift gas soda making, pressurized carbonation, solid-phase hydration重型碱, fluidized bed drying, self-returning alkali steam calciner, secondary jet ammonia absorption, and whole-system mother liquor balance interlock control. The team has obtained 7 invention patents and utility model patents, along with 9 industry-recognized proprietary technologies. Past performance encompasses 60 large-scale soda ash projects (based on complete project list statistics), with capacities ranging from 80,000 tons/year to 1,200,000 tons/year, including 3 overseas projects in Iran (20,000 tons/year, 20,000 tons/year, and 80,000 tons/year renovation respectively). Engineering design achievements have repeatedly won national and provincial-level Outstanding Engineering Design Awards (with total awards exceeding 40).

Our company is a high-tech enterprise integrating R&D, design, and manufacturing. Registered in the Dalian Bonded Zone, it was founded by senior professionals returning from overseas studies, along with research experts and technical leaders from the Dalian Institute of Chemical Physics and Dalian University of Technology. With a registered capital of 10 million yuan, the company is dedicated to the prevention and control of air pollutants, as well as the development, research, and industrial application of a series of environmental protection technologies and catalyst purification equipment. We specialize in combined gas recovery and treatment technologies, including condensation, adsorption, absorption, membrane separation, catalytic oxidation (CO), and purification. Our expertise also covers catalytic desulfurization, catalytic deoxygenation, catalytic dehydrocarbonization, nitrogen oxide control, and the ultra-pure removal and purification of trace impurities. Our products are widely applied in the petroleum, petrochemical, chemical, port, storage and transportation, food, metallurgy, and energy industries, delivering significant economic and environmental benefits to our clients. Our advanced catalyst systems ensure that treated gases meet emission standards, specifically complying with GB31570-2015 "Emission Standard of Pollutants for Petroleum Refining Industry," GB31571-2015 "Emission Standard of Pollutants for Petrochemical Industry," and GB14554-93 "Emission Standard of Odorous Pollutants." Particularly for characteristic pollutants, emissions reach the ppb (10⁻⁹) level, meeting and exceeding national and local standards. Furthermore, our equipment meets the standards for long-term stable, safe, and efficient operation in the petrochemical environment, continuously improving regional air quality and earning high praise and consistent recognition from users and the industry. We are committed to a development path of specialization, technological advancement, and refinement. Upholding the philosophy of "technical expertise, quality first, customer supremacy, and progressive innovation," with "customer satisfaction as the ultimate goal," we continuously develop and accumulate capabilities to master advanced, reliable, and efficient core technologies. By maintaining exquisite manufacturing processes and precise product quality control, our specialized services create greater value for our users.

Our company was founded in 1999 as an innovation-driven diversified industrial group, with business operations covering oil cluster, natural gas cluster, data center and power cluster, new energy cluster, and other fields, committed to providing customers with competitive, safe, and reliable products, services, and systematic solutions.

Since our founding, we have regarded sincerity as the cornerstone of our corporate culture. While continuously creating value for customers, we also contribute honesty, friendliness, and respect to society. Today, our business spans more than 70 countries and regions, with over 9,000 outstanding employees. We are collaborating with global partners to build a more efficient and sustainable future.

Currently, our group owns two listed companies and is recognized as a National Technology Innovation Demonstration Enterprise, National Intellectual Property Demonstration Enterprise, National Service-Oriented Manufacturing Demonstration Enterprise, and National Quality Benchmark. We have 11 national high-tech enterprises and 1 national pilot enterprise for integrated development of next-generation information technology and manufacturing. Driven by innovation, we have established more than 10 national and provincial-level scientific and technological innovation platforms, including a National Recognized Enterprise Technology Center, National Industrial Design Center, Shandong Technology Innovation Center, Shandong Manufacturing Innovation Center, and Shandong Engineering Research Center. We have 3 National Service-Oriented Manufacturing Demonstration Enterprises, 2 Shandong Technology Leading Enterprises, and 3 Shandong Gazelle Enterprises. We have undertaken more than 90 national and local research projects, with 23 technological achievements reaching international leading level, 11 achievements receiving provincial Science and Technology Progress Awards, and 4 achievements receiving Provincial Industrial Design Gold Awards.

Our company is a wholly-owned subsidiary of a large energy equipment group, with a registered capital of 10 billion RMB. Leveraging nearly 20 years of project experience and technological development in the oil and gas sector, we have achieved a full industry chain layout in natural gas, covering natural gas equipment manufacturing, gas-fired power generation equipment, natural gas processing engineering, and end-use applications. We provide integrated natural gas industry solutions ranging from feasibility study and planning, equipment design and manufacturing, project management, station operation and maintenance, to after-sales service.

Our company invests no less than 5% of annual sales revenue in R&D each year, possessing full lifecycle management capabilities from equipment research and development to production and delivery. We have completed over 180 invention patent applications across the entire industry chain.

Based on customer site conditions, we provide customized design solutions, offering integrated natural gas industry solutions from feasibility study and planning, equipment design and manufacturing, project management, station operation and maintenance, to after-sales service, providing reliable guarantees for safe and stable project operation.

Our company always adheres to a customer-centric approach, quickly responding to customer needs, comprehensively solving customer challenges and eliminating potential equipment operation risks. 80% of our team members hold international HSE certificates, special operation certificates, project manager certificates, and over 70% of our operation personnel have more than five years of service experience.

Survey and Design Qualifications: Engineering Design/Consulting/Management Qualifications, Engineering Survey Qualifications, Oil and Gas (Offshore Oil) Industry (Oil and Gas Processing, Gas Field Surface) Engineering Design Qualifications, Pressure Pipeline (Vessel) Design Qualifications; Management Systems: API Q1, ISO 9001 Quality Management System, ASME Quality Assurance System, TSG Quality Assurance System; Manufacturing Qualifications: Canadian CRN Registration, CWB Steel Structure Welding Qualification, CWI Certification from American Welding Society, ASNT Certification, EU CE Certification (MD/ATEX/PED), DNV, DOT, CDOT, SASO, CU-TR and other certifications.

We are committed to continuously creating value for global partners with safer, more environmentally friendly, and efficient products and services, contributing to global energy development and utilization!

50 years of design experience in the Hou's process for soda ash production.