Provides complete process technology and engineering design services for large-scale air separation units, covering air compression, purification, distillation, product compression and transportation, and liquid storage systems. Capable of stably producing industrial gases such as oxygen, nitrogen, and argon, the process is mature, energy-efficient, and reliable, meeting the gas demands of industries including petrochemicals, steel, electronics, and new energy.

Holding engineering consulting qualifications, we have delivered over 1,770 technical consulting outputs for various chemical projects. Our service portfolio includes project proposals, preliminary feasibility studies, feasibility studies, technical scheme comparison and demonstration, energy conservation assessment reports, industrial park planning, and post-project evaluations. The project types we have served cover complex scenarios such as petroleum reserve depots, hazardous chemical supporting facilities in chemical parks, large-scale coal chemical industrial bases, and military oil facilities. For overseas projects, we provide bilingual (Chinese/English) consulting reports and assist clients in meeting the technical due diligence requirements of international financial institutions for project financing. The standard service cycle ranges from 1 to 4 months.

We have accumulated rich experience in chemical storage tank and tank farm system design, completing engineering design for numerous projects including liquid ammonia tanks, LPG (liquefied petroleum gas) tanks, chemical intermediate product tanks, and finished product tanks. Among these, the overseas LPG tank farm expansion project won the Provincial Excellent Engineering Design Award and the First Prize at the municipal level. Design capabilities cover atmospheric tanks, cryogenic tanks, pressure tanks and their supporting pipeline systems, fire protection systems, and instrumentation control systems. We can provide safe and reliable overall layout and detailed design solutions tailored to different media characteristics.

Energy-saving and consumption-reducing technology upgrade services customized for soda ash and joint-alkali production enterprises. Core transformation directions include: horizontal belt vacuum filter transformation (replacing traditional vacuum drum filter with self-developed technology, already included in the National Key Energy-Saving Technology Catalog), new energy-saving distillation system transformation, calcination system energy-saving optimization, carbonization and filtration system matching adjustment, distillation waste liquid treatment system upgrade, heavy ash fluidized bed drying system improvement, mother liquor balance control optimization, etc. Typical projects include: 150,000 t/a energy-saving distillation transformation (won industry design award), 1.2 million t/a filter soda system energy-saving transformation, 600,000 t/a new horizontal belt filter, 700,000 t/a vacuum belt filter soda technical transformation, 300,000 t/a calcination/filtration system transformation, 200,000 t/a distillation system transformation, 450,000 t/a CO2 emission reduction and joint-alkali energy conservation environmental protection technical transformation, etc. Senior experts can be arranged to visit overseas soda factories for on-site energy efficiency diagnosis and customized transformation solutions.

"We have rich practical experience in designing industrial buildings and structures in chemical plant areas, having completed design tasks for hundreds of factories, warehouses, frameworks, pipe racks, equipment foundations, office buildings, and other structures. This covers various types including new construction, reconstruction, and reinforcement. The industrial NDT workshop design once won a city-level excellent engineering design award.

Our design capabilities include steel structure workshops, reinforced concrete frame structures, independent equipment foundations, large-span warehouses, explosion-proof workshops, and we can provide comprehensive civil design services for chemical construction projects."

Possesses A1-level (high-pressure vessel) pressure vessel design qualifications, as well as GC1, GCD, and GB1-level pressure pipeline design qualifications. The design scope covers almost all types of pressure equipment and pressure pipelines in the chemical industry. Representative independently designed equipment includes multiple soda ash core units that have obtained national patents, such as turbine-type lime premixers, fixed ammonia distillation columns, carbonylation towers without cooling sections, steam calcination furnaces, and vacuum distillation sieve plate towers for soda ash filter mother liquor. In daily operations, we continuously undertake design tasks for various pressure vessels, including reactors, distillation columns, heat exchangers, high-pressure pump cylinder bodies, and LNG high-pressure equipment, along with the design of supporting process pipelines, stress analysis (CAESARⅡ), and flexibility calculations. Design delivery can be performed according to Chinese standards, ASME standards, or European EN standards.

Holding qualifications for gas engineering design, we possess extensive experience in the design of urban gas pipelines, industrial plant gas systems, LPG storage tanks, and filling stations. We have completed dozens of gas engineering projects, covering residential district gas networks, industrial park gas pipelines, liquefied petroleum gas storage areas, and safety design for gas stations. Notably, our LPG storage area expansion project has received provincial and municipal awards for excellent engineering design. We provide full-stage services from conceptual design to construction drawings, including hydraulic calculations for pipelines, pressure regulation facility design, safety protection systems, and fire protection design.

Possesses the capability for single pressure vessel design and has completed design work for various types of pressure vessels, including distillation columns, reboilers, expanders, and reactors. Design projects cover Class III pressure vessels, with familiarity with current domestic pressure vessel design standards and manufacturing inspection codes.

Provides full-process services ranging from process condition confirmation, strength calculation, and structural design to the publication of fabrication drawings. Also offers design technical support and certification assistance for equipment manufacturing enterprises.

Addressing the pressure for environmental upgrades faced by chemical production enterprises, we provide one-stop environmental technical renovation services, including wastewater treatment system expansion and standard upgrades, organized and unorganized waste gas governance (with a focus on specialized VOCs treatment), flue gas desulfurization and denitrification system upgrades, and the improvement of solid and hazardous waste treatment facilities. We have successfully delivered over 220 environmental renovation projects. Representative projects undertaken in recent years include: new installation and retrofitting of RTO regenerative oxidizers, VOCs tail gas treatment for methanol tank farms, installation and piping of high-throughput VOCs membrane separation and recovery units, comprehensive renovation for particulate matter and VOCs control, retrofitting of loading systems for oil and gas recovery, and comprehensive utilization of acid gas. We offer environmental status assessments and compliance gap analysis prior to renovation, and post-renovation monitoring and verification to ensure emissions meet standards, forming a complete closed-loop service.

Providing comprehensive engineering consulting services for the entire lifecycle of chemical construction projects, with a focus on serving the soda ash, combined alkali, salt chemical, and related industries. Over the past fifteen years, we have completed more than 130 consulting projects, including feasibility studies, project proposals, and energy conservation assessment reports, with multiple achievements recognized with industry awards for outstanding engineering consulting. Our service scope covers: project proposals, feasibility studies, preliminary design estimates, energy conservation assessment reports, coordination for environmental impact assessments, and coordination for safety evaluations. We possess deep technical expertise in soda ash industry consulting, capable of providing owners with comprehensive decision-making support ranging from market analysis and technical route selection to investment estimation.

Process Safety Analysis and Safety Instrumented System Design is one of the team's key specialized capabilities, with over 100 SIS/HAZOP/SIL-related projects completed. Service offerings include: HAZOP (Hazard and Operability Analysis) studies, LOPA (Layer of Protection Analysis) assessments, SIL (Safety Integrity Level) classification and verification, SIS system scheme design and construction drawing design, as well as combustible and toxic gas detection system design. Industry coverage spans petroleum chemical (million-ton refining and petrochemical projects), coal chemical (300,000-ton oil processing), fine chemical, electronic materials, food chemical, and other sectors. Extensive experience in both SIS retrofitting for existing facilities and concurrent SIS design for new facilities. Execution can be performed according to IEC 61511/IEC 61508 and other international standards.

An industrialized application technology that has won the Second Prize of the Provincial Science and Technology Progress Award. This technology deeply couples underground salt mine extraction with soda ash production, achieving integrated above-ground and underground cyclic production of salt, alkali, and calcium. Waste liquid from soda ash manufacturing is injected into underground solution cavities for salt mining, while the extracted brine serves as raw material for soda ash production, forming a closed-loop cycle. This technical route fundamentally resolves the environmental bottleneck of waste liquid discharge in the ammonia-soda process while significantly improving the utilization rate of rock salt resources.

It has been successfully implemented in large-scale domestic projects for the comprehensive utilization of rock salt resources. The related engineering design has received First Prizes for Excellent Engineering Design at both provincial and municipal levels. This technology is suitable for soda ash production enterprises possessing rock salt mineral resources.

Help traditional chemical plants upgrade towards digitalization, visualization, and intelligence. Service offerings include: 3D plant modeling based on SP3D/PDMS/Pdsoft (enabling pipe clash detection and virtual inspections), BIM model construction and integration with O&M platforms, full-process process simulation and optimization using Aspen Plus/Aspen HYSYS, pipe stress verification and flexibility assessment with CAESAR II, and VR immersive training and smart factory visualization solutions. Our internal team possesses specialized technical expertise in 3D modeling and smart factories, capable of delivering projects using mainstream platforms such as PDMS, SP3D, and BIM. This service is particularly suitable for owners planning to build digital twins for legacy facilities or those aiming to achieve digital delivery in a single step for new construction projects.

Providing systematic energy-saving renovation services for in-service soda ash and ammonium chloride plants, with the core objective of reducing steam consumption and carbon emissions. Possessing benchmark project experience in distillation system energy-saving renovation—the related renovation engineering won the second prize in industry excellent engineering design. In recent years, completed multiple soda ash plant quality improvement and efficiency enhancement projects, covering directions such as distillation system optimization, carbonation system improvement, and heat recovery utilization.

Service model: on-site energy efficiency diagnosis → energy-saving plan preparation → construction drawing design → on-site technical guidance. Customized renovation solutions can be provided for specific issues of the owner's plant, with implementation under no shutdown or short-term shutdown conditions.

We can flexibly assemble and deploy technical teams covering all engineering design disciplines, including process, equipment, piping, instrumentation, electrical, civil structure/architecture, HVAC, water supply and drainage, and general layout, tailored to the actual needs of overseas projects. Our talent pool exceeds 570 professionals distributed across 11 regional branches in China, including many senior engineers and holders of various national registered engineer qualifications. We support diverse employment models ranging from short-term (1–3 months of on-site technical support) to long-term (6+ months of full-cycle accompanying design). Some team members have prior experience on overseas projects in Iran and the Middle East, possessing cross-cultural collaboration skills and English technical communication capabilities. Labor costs are quoted per person-month and can be flexibly negotiated based on professional configuration and on-site duration.