• Projects

Saudi Arabia Water Diversion Safety Project

Core Challenges : Saudi Arabia faces urgent needs for urbanization and connectivity, requiring simultaneous achievement of multiple demands regarding project efficiency, engineering quality, and eco-friendliness. Traditional construction methods suffer from long cycles, high resource consumption, and significant ecological impacts, making them ill-suited to the dual goals of rapid local development and green transformation.

 

Supplementary : Leveraging China's extensive experience, advanced engineering technologies, and strong EPC (Engineering, Procurement, and Construction) capabilities in global infrastructure, we provide a comprehensive "planning-design-build" solution covering construction, highways, and railways. The solution emphasizes green and environmentally friendly construction technologies, balancing efficiency, quality, and ecological protection.

 

Local Value : This solution accelerates Saudi Arabia's urbanization and regional connectivity, ensuring on-time project delivery through efficient construction. Green and environmentally friendly technologies minimize the impact on the local ecosystem, solidifying the foundation of engineering quality. It aligns with Saudi Arabia's high-quality development strategy, providing robust infrastructure support for the region's long-term development.

Ethiopia Water Supply Network Replacement Project

(I) Project Background and Core Requirements for Steel Pipes The existing water supply network in an old residential area of Adama City, Ethiopia, consists of aging iron pipes that are severely corroded and have a high leakage rate, affecting residents' normal water use. This renovation project is a small-scale public welfare project, covering only three streets and alleys in the residential area, with a pipeline length of approximately 12km. It mainly involves replacing household branch pipes and courtyard pipes. Located in a high-altitude area with large diurnal temperature variations and slightly alkaline soil in some areas, the project is small in scale and has no widespread impact. The core requirements for steel pipes are:
1. Good corrosion resistance: Resistant to corrosion from the slightly alkaline soil of the high altitude and domestic water, avoiding secondary water pollution, suitable for underground and indoor installation.
2. High sealing performance: Zero leakage and low leakage loss, ensuring stable water supply for residents and reducing water supply losses.
3. Easy installation and maintenance: Suitable for construction in the narrow streets and alleys of old residential areas, easy to cut, thread, and connect, and convenient for later maintenance. 4. Hygiene Standards: Meets drinking water hygiene standards, with smooth inner walls and no scaling, ensuring safe drinking water for residents.
(II) Core Contributions
1. Customized Galvanized Pipe Supply: Provides hot-dip galvanized welded steel pipes, Q235B material, specifications DN25–DN100, wall thickness 3–5mm, suitable for residential branch pipes and courtyard pipelines, with bulk supply ensuring renovation progress.
2. Corrosion Protection and Connection Guarantee: Adopts national standard hot-dip galvanizing process, zinc layer thickness ≥80μm, uniform internal and external corrosion protection; equipped with special galvanized pipe fittings and sealing rings, suitable for high-altitude temperature differences, ensuring joint sealing.
3. Technical Services: Dispatches technical personnel to provide on-site guidance on installation, threading, and joint sealing, solving the problems of limited construction space and pipeline connection in old residential areas.
4. Quality Control: Conducts appearance and zinc layer thickness inspections on galvanized pipes, provides material certificates and hygiene inspection reports, meeting Ethiopian standards for residential drinking water pipeline projects.

Belém, Brazil Raw Water Pipeline Project

I. Project Background and Core Requirements for Steel Pipes

The Belém Raw Water Pipeline Project in Brazil is a crucial water supply project for the city and surrounding areas, directly impacting the well-being of residents. The project primarily serves the production and domestic water needs of more than ten towns and cities surrounding Belém. The pipeline traverses plains and low hills, passing through urban roads and waterways, facing numerous challenges such as harsh winters, significant diurnal temperature variations, and slight soil salinization in some sections, while simultaneously balancing ecological protection and transportation infrastructure construction.

1. High Strength: Suitable for long-distance, medium-to-high pressure raw water transportation, capable of withstanding the pipeline's own weight, soil pressure, and water flow impact, ensuring long-term stable operation and meeting the load-bearing requirements of DN900 and larger diameter pipelines.

2. High Corrosion Resistance: Resistant to freeze-thaw erosion in harsh winters, slight soil salinization corrosion in the Belém region, raw water corrosion, and the humid underground environment, extending service life and meeting the project's long-term water supply safety requirements.

3. High Sealing Performance: Zero leakage and low loss rate ensure efficient raw water delivery, avoiding waste of high-quality raw water resources.

4. Convenient Construction: Adaptable to complex construction scenarios such as urban roads and flat river channels, facilitating cutting, welding, and underground installation.

II. Core Contributions

1. Customized Pipeline Steel Pipes: Providing high-strength steel pipes of various specifications from DN900 to DN1400 with a wall thickness of 12mm and above, tailored to the phased construction needs of projects, adapting to long-distance raw water delivery and different working conditions along the route.

2. Corrosion Protection System Support: Providing customized corrosion protection solutions, including a 3PE external coating and a liquid epoxy resin internal coating suitable for winter and underground moist, slightly saline soil environments. These solutions effectively resist freeze-thaw cycles, corrosion, and silt abrasion, meeting design service life and ensuring long-term stable water supply.

3. Technical Services: Dispatching professional technical teams to provide on-site guidance for steel pipe welding, installation, and pressure testing, assisting construction parties in solving related issues such as urban road construction, riverbank pipeline laying, and winter anti-freezing measures.

4. Quality Control: We strictly adhere to international standards and specific standards for raw water pipelines, conducting comprehensive quality inspections throughout the entire production process (raw material procurement, manufacturing, factory inspection, and on-site acceptance). We provide complete material certificates and non-destructive testing reports to ensure that every steel pipe meets the requirements for strength, corrosion resistance, and sealing.

Ecuador builds new water supply network

Project Background and Core Steel Pipe Requirements:
A small industrial park near Cuenca, Ecuador, primarily serving light industrial processing, requires a new water supply pipeline to provide production and fire-fighting water for eight companies within the park. Located on the edge of hills, the soil in some sections contains small amounts of acidic substances. The climate is mild and rainy. The construction area is narrow, and the project must balance pipeline laying with access to park roads. This is a small-to-medium-sized public service project with limited public awareness. Core requirements for steel pipes:
1. High strength: Suitable for medium to low pressure water supply, resisting soil pressure and small vehicle traffic, meeting the load-bearing requirements of DN300–DN500 pipelines.
2. Strong corrosion resistance: Resistant to localized acidic soil and rainwater moisture erosion, suitable for underground laying conditions, preventing pipeline corrosion and leakage.
3. High sealing performance: Zero leakage and low loss, ensuring stable water supply for enterprise production and reducing water waste.
4. Easy construction: Suitable for confined construction areas, facilitating on-site welding and hoisting, shortening the construction period.
1. Customized Welded Pipe Supply: Providing spiral submerged arc welded pipes, Q235B material, specifications DN300–DN500, wall thickness 6–10mm, suitable for the low- and medium-pressure water supply needs of the industrial park, with bulk supply ensuring construction progress.
2. Corrosion Protection System: Utilizing an epoxy coal tar anti-corrosion solution, suitable for local acidic soil and rainy environments, effectively resisting corrosion and extending pipeline service life by ≥20 years.
3. Technical Service: Deploying a 2-3 person technical team to provide on-site guidance on steel pipe welding and joint treatment, solving construction difficulties in confined areas, and ensuring welding quality.
4. Quality Control: Simplified quality inspection throughout the entire process (raw materials, production, on-site arrival), providing material certificates and welding test reports, meeting the basic standards for Ecuadorian civil water supply projects.

Potosí Department, Bolivia Pump Station Renovation

I. Project Background and Core Requirements for Steel Pipes

The Potosí Province water intake pumping station in Bolivia has a long service life and is located in an area with complex water systems, experiencing significant water level fluctuations during the flood season, high sediment content, and slight soil salinization in some areas. Upgrading and renovating this pumping station faces numerous challenges, including replacing aging facilities, complex operating conditions, and limited construction space. The core requirements for steel pipes in this project are as follows:

1. High Strength: Meeting the high-pressure water delivery requirements of the pumping station and able to withstand water flow impact and installation stress.

2. High Corrosion Resistance: Resistant to corrosion, silt erosion, and surrounding soil erosion, and adaptable to the humid environment along the river.

3. High Sealing Performance: Zero leakage and low loss, ensuring the pumping station's water delivery efficiency and avoiding water waste.

4. Convenient Construction: Adaptable to the narrow construction space of the pumping station, easy to cut, weld, and install, and meeting the mobility requirements of the floating pump vessel.

II. Core Contributions

1. Customized Pipeline Steel: Providing high-strength pipeline steel pipes of various specifications according to pump station renovation needs, meeting the high-pressure, high-flow water delivery requirements of scenarios such as ecological restoration and agricultural irrigation.

2. Corrosion Protection System: Providing customized corrosion protection solutions, such as plastic-coated composite steel pipes, adapted to humid soil environments, effectively resisting wear and corrosion, and extending pipeline service life.

3. Technical Services: Dispatching professional technical teams to provide on-site guidance for steel pipe welding, installation, and pressure testing, assisting project owners in solving construction challenges such as narrow spaces along rivers and connections between pipelines and floating pump vessels, improving installation quality and efficiency.

4. Quality Control: Implementing full-process quality inspection (raw material procurement, production and processing, factory inspection, on-site acceptance), providing complete material certificates and non-destructive testing reports, ensuring that every steel pipe meets international standards and the specific standards of pump station projects.

Venezuela Small Steam Transmission Pipeline

(I) Project Background and Core Requirements for Steel Pipes
A small food processing plant in Baquisimeto, Venezuela, primarily producing baked and canned products, requires a new small-scale steam pipeline to provide heating steam for its production equipment. Located in the suburbs, on the edge of the coast, the plant is affected by slight salt spray. The steam pressure is 3–5 MPa, and the temperature is 180–220℃. The pipeline is short and compact, an internal supporting project for the company, small in scale and with no established reputation. Core requirements for steel pipes:
1. High strength and high temperature resistance: Suitable for medium-pressure (3–5 MPa) and medium-temperature (180–220℃) steam transmission, resisting thermal expansion and contraction stress to ensure stable pipeline operation.
2. Strong corrosion resistance: Resistant to slight salt spray corrosion and high-temperature steam oxidation, suitable for mixed indoor and outdoor installation conditions.
3. High sealing performance: Zero leakage, avoiding steam loss and reducing the company's energy costs.
4. High reliability: No weld defects, uniform material, meeting the safety and hygiene requirements of food processing enterprises.
(II) Core Contributions
1. Customized Seamless Steel Pipe Supply: We provide cold-drawn seamless steel pipes, made of 20# steel, with specifications of DN50–DN150 and wall thickness of 8–14mm, suitable for the steam conveying needs of food factories, supplied in small batches as needed.
2. Corrosion Protection and Insulation: The pipes are coated with a galvanized layer and a simple insulation layer, with internal passivation treatment, suitable for mild salt spray and high-temperature conditions, reducing heat loss and corrosion.
3. Technical Services: Technical personnel provide on-site guidance for steel pipe cutting, welding, and pressure testing, resolving welding stress issues in medium-temperature and medium-pressure pipelines, ensuring the pipeline pressure test passes on the first attempt.
4. Quality Control: We conduct non-destructive testing and mechanical property testing on the seamless steel pipes, provide material certificates and quality assurance reports, meeting the supporting engineering standards for Venezuelan food enterprises.