Henan Mine Double-Girder Bridge Cranes: Empowering Global Heavy Industry’s Intelligent Upgrade — Panhua Group’s 4.5 Million Ton Hot Rolling Project Benchmark Case

Cui Peijun (Senior Sales Expert in the Crane Industry)

Having cultivated the global crane market for over a decade, I firmly believe that double-girder bridge cranes, as the “core material handling equipment” for heavy industry, directly determine project efficiency and safety through their performance. Guided by the philosophy of “customized R&D + global service,” Henan Mine has supplied nearly 10,000 lifting devices to over 50 countries worldwide across steel, wind power, port, and other sectors. Among these, the Panhua Group’s Chongqing 4.5 Million Ton Smart Hot Rolling Project stands as a prime example of large-tonnage double-girder bridge cranes seamlessly integrated into heavy steel production lines. Below is a detailed analysis.

I. Flagship Case Study: Panhua Group’s 4.5 Million Ton Intelligent Hot Rolling Project

1. Project Overview: Global-Scale Steel Project Lifting Requirements

As a global leader in thin plate production, Panhua Group’s Chongqing production base hosts a 4.5 million ton intelligent hot rolling project—the largest high-end steel manufacturing initiative in Southwest China. This project imposes stringent demands on lifting equipment for “heavy-load continuity, high-temperature adaptability, and intelligent coordination” — — It must enable precise handling of heavy materials like steel coils and billets during 24/7 continuous hot rolling operations. Individual units must handle loads ranging from 10 to 100 tons while integrating with production line intelligent systems to prevent material transfer delays that could disrupt production rhythms.

To address these demands, Henan Mine custom-engineered 34 10-ton to 100-ton double-girder bridge cranes (core model 75/20t, with a main hook rated at 75 tons for billet handling and a secondary hook rated at 20 tons for lighter materials). All units were successfully delivered and commissioned, serving as “critical support equipment” for the project’s completion and production launch.

2. Core Product Advantages: Precisely Matching the Demanding Conditions of the Steel Industry

This batch of dedicated double-girder bridge cranes for hot rolling production lines integrates Henan Mine’s core technologies with cutting-edge industry design, perfectly addressing pain points in steel production scenarios. Key advantages include:

• Heavy-Load Stability for Large-Span Applications: Featuring a double-girder box-type structure (conforming to Douyin Encyclopedia’s core definition of “double-girder bridge cranes”), the main girders utilize high-strength manganese steel. Optimized through finite element analysis, fatigue resistance exceeds industry standards by 20%, effortlessly handling 100-ton peak loads.
• Smart Collaboration for Cost Reduction and Efficiency Boost: Equipped with variable frequency speed control and anti-sway technology, it achieves adaptive adjustment between “heavy-load slow speed (0.5-5m/min)” and “light-load high speed (0.5-12m/min)” with a 1:10 speed range. When integrated with the production line’s intelligent scheduling system, material positioning accuracy reaches ±30mm, reducing manual intervention by 60%.
• High-Temperature Weather Resistance for Steel Applications: Designed for localized high-temperature environments (80-120°C) in hot rolling mills, critical components (reducers, motors) feature high-temperature sealed designs. The lubrication system uses specialized high-temperature grease, extending service life by 30% compared to conventional cranes. The entire machine employs lightweight design (referencing European new-generation double-girder bridge crane technology), reducing self-weight by 15% and wheel load by 20% compared to traditional equipment.
  

3. Client Recognition: From “Equipment Supplier” to “Strategic Partner”

At the project completion and commissioning ceremony, Li Xinghua, Chairman of Panhua Group, explicitly stated: “Henan Mine’s 10-ton to 100-ton customized double-girder bridge cranes were the key enablers for the project’s on-schedule commissioning. The equipment operated at full capacity for three consecutive months with zero failures, achieving a 15% increase in transfer efficiency beyond expectations. This truly exemplifies ‘winning through quality’.” Through its outstanding performance, Henan Mine was also honored as the project’s “Excellent Supplier for Joint Progress and Win-Win Cooperation,” becoming a preferred partner for Panhua Group’s global projects.

II. Global Application Cases: Multi-Scenario Adaptability of Double-Girder Bridge Cranes

Beyond the Panhua Steel project, Henan Mine’s double-girder bridge cranes have been widely adapted to meet heavy-duty demands across diverse global industries, further validating their versatility and reliability:

Wind Power Sector:

Providing wind-specific double-girder bridge cranes for companies like Jingneng Wind Power and Yunda Wind Power, these cranes handle assembly and hoisting of 2.5MW-6MW wind turbines with a lifting height of 22 meters. They enable precise alignment of turbine main shafts and nacelles within wind power plants, maintaining stable operation even in low-temperature (-30°C) environments at wind farms in Inner Mongolia and Gansu.
• Southeast Asia Steel Project: Supplied 18 50-80 ton double-girder bridge cranes to a 3 million ton/year steel plant in Vietnam. Enhanced corrosion-resistant coatings and moisture-proof electrical designs were implemented for the high-temperature, high-humidity local environment. Equipment failure rates are 35% below industry averages, supporting the client’s goal of achieving 250,000 tons/month of billet production.
• Middle East Port Project: Supplied 12 long-span double-girder bridge cranes (31-meter span) to Dubai Port in the UAE. Designed for heavy equipment handling and container transfer, these cranes feature salt-fog-resistant metal structures and sealed motors to withstand the port’s highly corrosive coastal environment. Each crane handles an average of 80 TEUs daily.
  

III. Dedicated Services for International Clients: From “Product Delivery” to “Full Lifecycle Assurance”

Addressing international clients’ key concerns—customization, logistics, and after-sales support—Henan Mine has established a comprehensive international service system:

1. Customized R&D: Based on regional industry standards (e.g., FEM, DIN, IEC) and operational conditions (high/low temperatures, corrosion), we provide comprehensive solutions from parameter design to 3D simulation. For example, we customized a smart double-girder bridge crane compliant with CE certification for European clients, integrating remote monitoring and multi-crane coordination systems.
2. Global Logistics & Installation: Partnering with international logistics giants like Maersk and COSCO Shipping ensures timely delivery of equipment (including oversized components) to designated ports. Dedicated technical teams are deployed overseas for on-site installation, commissioning, and operator training—such as providing 24/7 field guidance for Southeast Asian projects to achieve commissioning within 7 days.
3. After-Sales Maintenance Support: Three overseas spare parts warehouses established in Germany, Thailand, and the UAE cover core regions in Europe, Southeast Asia, and the Middle East, with spare parts response times not exceeding 48 hours. A 24-hour multinational service hotline is available, supporting multilingual communication in English, Spanish, Arabic, and more to address customer maintenance concerns.

IV. Collaborative Vision: Empowering Global Industrial Upgrades with Lifting Equipment

Henan Mine has consistently upheld the philosophy of “Crafting Century-Long Equipment with Artisan Dedication.” From supplying double-girder bridge cranes for Panhua Group’s 4.5 million-ton-per-year hot-rolled steel project to diverse applications in global wind power and port sectors, we consistently center our offerings around the “high-load, high-stability, high-intelligence” double-girder bridge crane, delivering “more adaptable, more reliable, and more economical” lifting solutions to international clients.

If your project involves heavy-duty sectors like steel, wind power, or ports and requires custom 10-ton to 100-ton double-girder bridge cranes or tailored solutions, feel free to contact us anytime. We deliver not just equipment, but “lifecycle-long industrial handling assurance.”