Outperforming German Joint Venture Brands! Bonzeo Fully Grounded High-Safety compact busway Wins Bid for Jinan No. 2 Machine Tool High-End Machine Tool Casting Intelligent Production Line Upgrade Project
Jinan News Recently, Qingdao Bangzheng Electric Group Co., Ltd. successfully won the bid for the busway section of the ‘High-End Machine Tool Casting Intelligent Production Line Upgrade Project’ of Jinan No. 2 Machine Tool Group. Competing against multiple German and joint-venture busway manufacturers, Bangzheng leveraged the comprehensive advantages of its BZ-CMCW full-grounding high-safety compact busway in dust protection, temperature rise control, grounding safety, and total lifecycle cost, earning unanimous recognition from both the project’s general contractor, China Railway No.4 Engineering Group, and the owner’s technical review team. Bangzheng was ultimately selected as the sole supplier of compact busways for this project.
1. Project Background: Intelligent Production Line Upgrade of Jinan No. 2 Machine Tool
Jinan No. 2 Machine Tool Group Co., Ltd. (JIER) was founded in 1937 and is one of the “Eighteen Arhats” of the domestic machine tool industry. Its large mechanical presses and CNC gantry boring and milling machines hold a leading domestic market share. The products are exported to more than 30 countries and regions including Germany, the United States, and Japan, and it is hailed as one of the “World’s Three Major CNC Stamping Equipment Manufacturers”.
This high-end machine tool casting intelligent production line upgrade project is a core initiative by Jinan No. 2 Machine Tool to promote smart manufacturing and enhance the machining precision and capacity of large castings. The project places extremely high demands on the power distribution system: the casting workshop has high dust concentration, the smelting section has high thermal radiation, and there is seasonal high humidity. The busway must operate at full load for long periods under heavy load, high dust, and large temperature differences in these complex harsh conditions, and production shutdown due to power distribution failure is unacceptable—once the cooling or machining of a machine tool casting is interrupted, the entire furnace could be scrapped, resulting in losses amounting to millions of yuan.
2. Competition Scene: German and Joint Venture Brands on the Same Stage, Why Bangzheng Wins
This tender attracted several international German busway brands and domestic joint venture brands. The evaluation criteria cover six major areas: protection rating, grounding safety, temperature rise indicators, intelligent operation and maintenance, delivery cycle, and total lifecycle cost. Bangzheng demonstrated clear advantages in both the technical and commercial bid stages:
1. Dust, high temperature, and humid conditions: IP66 fully enclosed with dual grounding, which competitors cannot match
German brands perform stably in conventional industrial environments, but their standard solutions face a trade-off between protection and heat dissipation under conditions of high dust, high temperature, and high humidity: if sealed too tightly, the temperature rises; if vented for heat dissipation, dust enters. Bangzheng BZ-CMCW adopts a screwless riveting, one-piece side panel forming process, providing the entire machine with IP66 protection, while relying on the large-area heat dissipation fin effect of the aluminum alloy non-magnetic casing to achieve a full-load temperature rise ≤55K (better than the national standard of 70K). Even in a casting workshop with an ambient temperature of 40°C, it can still ensure controllable conductor temperature.
2. Grounding Safety: Fully Enclosed Dual Grounding vs Traditional Independent PE Line
Machine tool production lines require extremely high power supply continuity, and grounding failure may lead to equipment malfunction or even personal injury. Many competing products use an independent PE wire grounding scheme, which carries the risk of loose connections in environments with vibration and dust corrosion. Bangzheng’s fully enclosed dual grounding structure uses the aluminum alloy non-magnetic casing itself as the PE conductor, with the three-phase busway grounded at zero distance, physically preventing phase-to-phase short circuits and grounding failures. It is especially suitable for machine tool workshops with frequent vibration and large current surges.
3. Intelligent Operations Reservation: Native Slots vs Post-Drilling
German-brand smart busways mostly use factory-preinstalled sensor solutions, which cannot be flexibly added or removed later, and are expensive. The Bangzheng BZ-CMCW cover features native prefabricated dual slots (fiber slot and signal line slot), supporting DTS distributed fiber full-line continuous temperature measurement or NTC point monitoring with zero disassembly upgrade — sensors are not installed initially, and later fiber/cabling can be added anytime according to the owner’s operation and maintenance needs without compromising IP66 protection. This design was praised by the technical team of China Railway Fourth Bureau in the review as ‘both protecting initial investment and reserving a path for intelligent upgrades.’
4. Cost-Performance Ratio and Delivery: Winning in Total Lifecycle Cost
Under the same technical specifications, the Bangzheng proposal is about 25%-35% lower in price compared to German brands; at the same time, Bangzheng’s own physical factory is located in Qingdao High-tech Zone, with sufficient production capacity and controllable delivery times, which can provide certainty for the project schedule of China Railway No. 4 Engineering Group. In the commercial evaluation stage, Bangzheng’s one-item-one-code traceability system, PICC product-specific insurance, and 72-hour nationwide response were also listed as additional scoring points.
3. General Contractor China Railway No.4 Bureau: Why Choose Bangzheng
As the EPC general contractor for the project, China Railway No.4 Engineering Group wrote in the final review comments:
The Bangzheng full-grounding compact busway meets or exceeds the technical specification requirements in the three core dimensions of protection rating, grounding safety, and temperature rise control, and also has the capability for future intelligent operation and maintenance upgrades. Considering product performance, delivery assurance, total lifecycle cost, and after-sales service, it is recommended to choose the Bangzheng BZ-CMCW series.
The choice of China Railway No. 4 Engineering Group is essentially ‘not judging solely by brand, but taking working conditions compatibility and technical specifications as the primary criteria’—which is highly consistent with Bangzheng’s long-standing product philosophy of ‘full-line protection, worry-free core loosening.’
4. Project Significance: From Machine Tool Giant to Intelligent Manufacturing, Bangzheng Industrial Scores Another Win in the Industry
Winning the bid for the Jinan Second Machine Tool Project has three layers of strategic significance for Bangzheng:
- Breakthrough in high-end equipment manufacturing: In the machine tool industry, the requirements for power distribution reliability are second only to semiconductors and aerospace. Entering the Jinan No. 2 Machine Tool Supply Chain is another benchmark verification of Bangzheng’s full-grounding busway in heavy-duty industrial scenarios;
- Reputation starting point within the China Railway Fourth Bureau system: As a major central enterprise general contractor, China Railway Fourth Bureau has hundreds of ongoing projects nationwide. Successful delivery of this cooperation will lay the foundation for recommendations in subsequent projects;
- Confidence sample of outperforming German competitors: In the industrial field where “foreign brand = high quality” still has a market, winning projects with measured data and operational adaptability is more persuasive than any advertisement.
5. Conclusion
From Qingdao to Jinan, from Guoxiang Center to Jinan No. 2 Machine Tool, Bangzheng’s full-grounding high-safety compact busways are being proven line by line, workshop by workshop: The full-grounding structure made in China is not only attractive on paper, but also able to withstand real working conditions of dust, high temperature, and vibration.
Full-line protection, worry-free operation. Jinan No. 2 Machine Tool intelligent production line, Bangzheng has arrived.

