Russian Tatneft-TANECO Refinery Expansion

In 2025, Dongguan Greater Wire & Cable Co., Ltd. successfully completed a key wire export project for the expansion of Tatneft — TANECO Refinery, located in Nizhnekamsk, Tatarstan, Russia. As one of Russia’s leading oil refining enterprises, Tatneft launched a large-scale expansion of its TANECO refinery in 2025 to increase its annual crude oil processing capacity and upgrade its production lines to meet the EU’s Euro-6 emission standards for petroleum products. The project, focusing on the construction of new hydrocracking units and supporting infrastructure, required high-performance, durable, and safety-compliant wires to ensure the stable operation of the refinery’s electrical systems in harsh industrial environments. Our team stepped in to provide tailored wire solutions, addressing the client’s core pain points and delivering a successful cooperation that set a benchmark for wire exports in the global oil and gas industry.

1. The Challenges of Tatneft-TANECO’s 2025 Expansion

Tatneft’s TANECO Refinery is a critical facility in Russia’s oil and gas sector, with a 2024 crude oil refining capacity of 17 million tons. The 2025 expansion project aimed to add a new hydrocracking unit with an annual capacity of 1.2 million metric tons, which would process vacuum gasoil to produce low-sulphur diesel and naphtha. This expansion required a complete upgrade of the refinery’s electrical infrastructure, including power supply for production equipment, control systems, and outdoor auxiliary facilities. However, the client faced several significant challenges that threatened the project’s progress and long-term operational safety.

First, the refinery’s operating environment is extremely harsh: high temperatures from refining processes, frequent exposure to oil, chemical solvents, and outdoor weather conditions (including cold winters with temperatures as low as -30°C in Tatarstan). Ordinary wires would quickly degrade under such conditions, leading to short circuits, power outages, or even safety hazards like fires. Second, the client needed wires that complied with both international standards (IEC, EN) and Russia’s local industrial regulations, as non-compliant products would not pass on-site inspection and could result in project delays. Third, the project had a tight timeline — the expansion needed to be completed within 8 months to avoid disrupting existing production, so the wire supplier had to ensure on-time delivery of large quantities of products with consistent quality. Finally, the client struggled to find a supplier that could provide a full range of wire models to meet the diverse needs of different parts of the refinery, from heavy-duty power supply to light-duty control systems.

After evaluating several international wire suppliers, Tatneft chose Dongguan Greater Wire & Cable Co., Ltd. for our proven track record in similar large-scale industrial projects, comprehensive product range, and strict quality control system. Our ability to customize solutions and ensure on-time delivery aligned perfectly with the client’s urgent needs.

3. HO7RN-F, HO5RN-F, HO5BQ-F Wires for Refinery Applications

Based on the client’s specific requirements and the harsh operating environment of the refinery, our team recommended three core wire models — HO7RN-F, HO5RN-F, and HO5BQ-F — each selected for their unique properties and tailored to different application scenarios within the expansion project. We provided detailed specifications for each model, ensuring they perfectly matched the refinery’s electrical needs while outperforming alternative products on the market.

3. 1 HO7RN-F: Heavy-Duty Power Supply for Core Production Equipment

The HO7RN-F wire is a heavy-duty, flame-retardant flexible cable designed for industrial environments, and it became the primary choice for powering the refinery’s core production equipment, including the new hydrocracking unit, crude distillation unit, and large-scale pumps. We supplied the HO7RN-F model in multiple specifications to meet different power demands: 1x240mm², 3x50mm², 3x70mm²+1x35mm², and 4x16mm²+1x10mm², all complying with the PN-EN 50525-2-21:2011 standard.

Key advantages of HO7RN-F that made it the ideal choice for this project: it features a flame-retardant sheath (compliant with PN-EN 60332-1-2:2010 + A1:2016) that prevents fire spread, a oil-resistant and chemical-resistant outer layer that withstands exposure to crude oil and solvents, and excellent low-temperature resistance (operating temperature range from -40°C to +60°C for fixed installation, -30°C to +50°C for flexible use). Unlike ordinary PVC wires, which become brittle in low temperatures and degrade quickly in oil-rich environments, HO7RN-F maintains flexibility and durability even in the refinery’s harshest conditions. The 1x240mm² specification, in particular, was used for the main power lines of the hydrocracking unit, as it can carry high current (up to 380A) with low resistance (0.0801Ω/km at 20°C), ensuring stable power supply for high-load equipment.

3. 2 HO5RN-F: Light-Duty Power for Auxiliary and Outdoor Facilities

The HO5RN-F wire is a lighter, more flexible variant of the HO7RN-F, designed for light-duty power supply in auxiliary facilities. We supplied this model in specifications including 2x2.5mm², 3x4mm², and 5x1.5mm², which were used for powering outdoor lighting, small pumps, and auxiliary equipment in the refinery’s storage and transportation areas.

Compared to HO7RN-F, HO5RN-F has a smaller cross-sectional area and lighter weight, making it easier to install in tight spaces and outdoor areas. It shares the same oil-resistant, flame-retardant, and low-temperature-resistant properties as HO7RN-F but is more cost-effective for light-load applications. The client chose HO5RN-F over other light-duty wires because it complies with international standards and can withstand the refinery’s outdoor conditions (UV radiation, temperature fluctuations) without degradation. For example, the 3x4mm² specification was used for outdoor lighting along the refinery’s pipeline routes, where it resisted UV damage and cold temperatures during Russia’s harsh winters.

3. 3 HO5BQ-F: Control and Signal Transmission for Precision Systems

The HO5BQ-F wire is a flexible, multi-core cable designed for control and signal transmission, critical for the refinery’s automation and monitoring systems. We supplied this model in specifications such as 4x1mm², 6x0.75mm², and 8x0.5mm², which were used to connect sensors, control panels, and the refinery’s remote monitoring system (including the analyzer houses’ control systems).

HO5BQ-F stands out for its high signal integrity and anti-interference performance, which is essential for the refinery’s precision control systems. Unlike ordinary signal wires, which are prone to interference from the refinery’s high-voltage equipment, HO5BQ-F features a shielded design that reduces electromagnetic interference (EMI), ensuring accurate signal transmission between sensors and control panels. It is also oil-resistant and flame-retardant, making it suitable for installation near production equipment. The 6x0.75mm² specification was used for the hydrocracking unit’s temperature and pressure sensors, ensuring real-time data transmission to the control room and enabling precise adjustment of the refining process.

4. Meeting International Standards and Industrial Requirements

Safety is the top priority in the oil and gas industry, and Tatneft placed high demands on the safety performance of the wires. Our team ensured that all supplied wires met or exceeded international standards and Russia’s local industrial regulations, providing comprehensive safety assurance throughout the project.

All three wire models (HO7RN-F, HO5RN-F, HO5BQ-F) are certified by IEC, EN, and ATEX, ensuring compliance with global industrial safety standards for explosive and hazardous environments like refineries. We conducted rigorous quality inspections before shipment, including voltage tests (2.5kV AC for HO7RN-F), flame-retardant tests, oil-resistance tests, and low-temperature flexibility tests. Each batch of wires was accompanied by a detailed quality inspection report, allowing the client to verify compliance and pass on-site inspection.

In addition, our team provided technical guidance on wire installation, ensuring that the wires were installed correctly to avoid safety hazards. We recommended proper routing and protection measures (such as cable trays and protective sleeves) to prevent mechanical damage, which is a common cause of wire failure in refineries. This proactive approach to safety gave the client confidence that the electrical systems would operate reliably and safely for years to come.

5. On-Time, Efficient, and Transparent

The Tatneft-TANECO expansion project had a tight timeline, and any delay in wire delivery would have disrupted the entire project schedule. Our team took a proactive approach to delivery, ensuring that all wires were produced, inspected, and shipped on time.

First, we optimized our production schedule to prioritize the project, allocating dedicated production lines for the HO7RN-F, HO5RN-F, and HO5BQ-F wires. Our production team worked around the clock to meet the client’s demand, and we maintained real-time communication with the client to update them on production progress. Second, we chose reliable logistics partners with extensive experience in exporting to Russia, ensuring that the wires were transported safely and efficiently. We handled all customs clearance procedures, including preparing all necessary documents (certificates of compliance, quality reports, and export declarations) to avoid delays at the border.

6. Stable Operation and Long-Term Value

In October 2025, the Tatneft-TANECO refinery expansion project was completed successfully, and the new hydrocracking unit was officially put into operation. Our wires played a critical role in ensuring the stable operation of the refinery’s electrical systems, delivering exceptional performance in the harsh industrial environment.

Since the project’s completion, the HO7RN-F, HO5RN-F, and HO5BQ-F wires have operated without any failures, including power outages, short circuits, or degradation. The high-quality wires have reduced the need for maintenance, saving the client time and costs. The refinery’s new hydrocracking unit is now operating at full capacity, producing low-sulphur diesel and naphtha that meet Euro-6 standards, and the electrical systems powered by our wires have proven to be reliable and efficient.

In addition, our wires’ durability and compliance with international standards have ensured that the refinery meets all safety and environmental regulations, avoiding potential fines and operational disruptions. The client has noted that the wires’ performance exceeds their expectations, particularly in terms of low-temperature resistance and oil resistance, which are critical for long-term operation in Russia’s climate and the refinery’s environment.

7. Cooperation Value and Client Feedback

The cooperation between Dongguan Greater Wire & Cable and Tatneft-TANECO was built on trust, professionalism, and a commitment to delivering high-quality solutions. Our team’s ability to understand the client’s pain points, provide tailored wire solutions, and ensure on-time delivery was key to the project’s success.

The client recognized several key values from our cooperation: our comprehensive product range eliminated the need to work with multiple suppliers, saving time and reducing coordination costs; our strict quality control ensured that the wires met all safety and performance requirements, reducing the risk of project delays and operational failures; and our technical support and after-sales service provided peace of mind, with our team available to address any questions or issues throughout the project and beyond. The client also noted that our wires offered better value for money compared to other international suppliers, as they combined high quality with competitive pricing.

Overall, the client was highly satisfied with the cooperation and has expressed interest in working with us for future refinery expansion projects. They have also recommended our products to other oil and gas enterprises in Russia, recognizing our expertise in providing wire solutions for harsh industrial environments.

8. Choose Dongguan Greater Wire & Cable for Your Next Industrial Project

The success of the Russian Tatneft-TANECO Refinery 2025 expansion project is a testament to Dongguan Greater Wire & Cable’s commitment to quality, professionalism, and customer satisfaction. Whether you are undertaking a refinery expansion, a chemical plant construction, or any other industrial project, we have the expertise, product range, and experience to provide tailored wire solutions that meet your specific needs.

Our advantages set us apart from other suppliers: we have extensive experience in承办 large-scale industrial projects (including oil and gas, chemical, and construction), our product range includes all core wire models (including HO7RN-F, HO5RN-F, HO5BQ-F) with a full range of specifications, and we adhere to strict quality control standards to ensure that every product meets international requirements. We also offer flexible customization, on-time delivery, and comprehensive technical support to ensure your project runs smoothly.

If you are looking for a reliable wire supplier for your next project — whether in Russia or any other country — contact us today. Our team will work with you to understand your needs, provide tailored solutions, and deliver the high-quality wires you need to ensure the success of your project.

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Dongguan Greater Wire & Cable Co., Ltd.

Tel/WhatsApp/WeChat: +86 135 1078 4550 / +86 136 6257 9592

Email: manager01@greaterwire.com