Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM), founded in 1993, stands as a global titan in the design and manufacturing of steel grating, railings, and industrial platforms. We operate as a comprehensive modern enterprise, harmonizing scientific research with heavy-duty machinery manufacturing and expert engineering construction.
With dual production bases across China, our infrastructure boasts 12 automated steel grating welding lines, augmented by high-precision robotics, laser cutting, and digital control tailoring. Our annual output exceeds 50,000 metric tons, supporting critical infrastructure projects worldwide.
Square Meters Facility
Auto Welding Lines
Annual Tons Output
Years Industry Experience
In the era of Semantic Search and high-intent sourcing, safety is no longer just a checkbox. It is an engineering discipline.
Utilizing serrated bar geometry and advanced surface friction coefficient (COF) analysis to minimize slip hazards in high-viscosity environments like oil rigs and chemical refineries.
Our 12 automatic welding lines utilize precision laser-alignment to ensure structural integrity. This prevents weld fatigue and ensures consistent load-bearing across every square millimeter of the tread.
Beyond standard ASTM-A123, our hot-dip process incorporates trace alloy elements to enhance zinc-iron bonding, extending life cycles in coastal and corrosive atmospheres by up to 40%.
Industrial step treads are the skeletal support of modern logistics and energy. We provide tailored configurations for diverse sectors:
Explosion-proof, anti-static, and high-drainage designs. JG405/30/100 series are optimized for high-altitude windage reduction and heavy fluid runoff.
Impact-resistant treads designed for extreme point loads. Our grids prevent the accumulation of grime, snow, and industrial dust, maintaining traction in the harshest conditions.
Focusing on ergonomics and noise reduction. Lightweight aluminum and precision-tailored steel panels facilitate fast installation without on-site hot work.
NJMM leverages the "Ningbo Port Advantage" and an integrated Supply Chain 4.0 model. Our resilience is built on:
Compliance with ISO9001:2015, ISO45001, and ISO14001. Our step treads meet European CE standards and Russian GHOST requirements, ensuring seamless entry into global markets.
With an export volume exceeding 20,000 tons annually, our logistics team manages multi-modal transport to South America, Oceania, and the Middle East with real-time tracking.
We provide local support through a global service network, offering installation consultation and detailed CAD/BIM modeling for complex structural integrations.
Widely used in Petrochemical, Chemical Industry, Mining, Ship Building, Power Plants, and Port Terminals. Our products JG255/30/100, JG325/30/100 are the industry gold standards for safety and longevity.
We utilize serrated load bars and specialized nose pieces (checkered plate or cast abrasive) that exceed the COF (Coefficient of Friction) requirements of industrial safety standards like YB/T4001 and OSHA.
In standard C3 environments, our hot-dip galvanized coating can last over 30 years. In highly corrosive C5 coastal environments, we recommend specific coating thicknesses or high-grade stainless steel options to ensure a 15-20 year service life.
Yes. Our Factory 4.0 infrastructure includes laser tailoring and robot welding that allow for millimeter-precise custom fabrication without the cost penalties of traditional bespoke manufacturing.
Absolutely. We provide full CAD and BIM modeling services to ensure that our platform and stair solutions integrate perfectly with your existing architectural plans.
Jiulong
