In the modern industrial landscape, a catwalk is not merely a walkway; it is a critical artery for operational efficiency and worker safety. Industrial grating for catwalks serves as the foundational infrastructure in petrochemical plants, offshore rigs, mining facilities, and large-scale manufacturing hubs. As a leading manufacturer, Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM) delivers high-performance solutions that balance load-bearing capacity, anti-slip safety, and long-term durability against corrosive environments.
Annual Output (Metric Tons)
Auto-Welding Product Lines
Production Base (m²)
Exporting Countries
The industry is shifting from traditional heavy-duty steel to "Smart Access Solutions." At NJMM, our research focuses on three key pillars:
Development of high-strength-to-weight ratio alloys that reduce the dead load on supporting structures by 15-20% without compromising integrity. This is crucial for offshore and high-altitude platform applications.
Beyond standard Hot-Dip Galvanization (HDG), we are piloting Nano-Ceramic coatings and Graphene-enhanced Zinc layers that extend the lifespan of gratings in highly acidic or saline environments by an additional 10 years.
Future-proofing catwalks with embedded structural health monitoring (SHM) sensors that alert maintenance teams to stress fractures or excessive vibration in real-time.
NJMM’s manufacturing excellence is rooted in Digital Transformation. Our production bases in East and North China utilize robotic arms for precision welding, laser cutting for custom tailoring, and digital control panels for synchronized production.
Founded in 1993, Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM) is a modern comprehensive enterprise integrating scientific research and design, machinery manufacturing, and engineering construction. We specialize in steel grating, railings, platforms, and light steel structures.
Our commitment to excellence is backed by ISO9001, ISO45001, ISO14001, CE, and GHOST certificates. We don’t just sell products; we offer full engineering support, including solution design, installation guidance, and detailed provision of technical drawings.
12 self-developed automatic pressure welding lines and 6 sets of automatic banding robots ensure a 50,000-ton annual capacity.
Serving South America, Europe, Oceania, Africa, West Asia, and the Middle East with localized technical support.
Participated in drafting the YB/T4001-2019 steel grating standard. Certified High-Tech Enterprise and Municipal Engineering Center.
Our grating solutions are engineered for high-stakes environments where failure is not an option:
Ventilation, lighting, and explosion-proof properties. Recommend: JG255/30/100, JG325/30/100.
Corrosion-resistant Hot-Dip Galvanization for saltwater exposure. Strong loading capacity for equipment protection.
Self-cleaning grid structure prevents grime, water, snow, and dust accumulation. High durability for heavy traffic.
Comprehensive application of NJMM grating in industrial complexes.
For global enterprises, procurement is about risk mitigation. NJMM ensures that every catwalk grating panel meets the specific regulatory requirements of your region:
We provide Local Support through our extensive service network in 13+ countries, offering onsite measurement, customs clearance assistance, and technical installation consulting.
Plain grating is ideal for standard walkways. Serrated grating offers enhanced slip resistance, essential for oily, wet, or icy conditions common in refineries and outdoor platforms.
Our HDG process provides an average of 20-30 years of protection in typical maritime environments, depending on the thickness of the zinc coating (standard 610g/m²).
Yes. Our digital tailoring service allows us to provide factory-finished gratings with precision-cut openings, ensuring the integrity of the panel while saving onsite installation labor.
Our stair treads meet and exceed YB/T4001, providing high safety factors for both static and dynamic loads during high-traffic industrial shifts.
While we are a high-capacity manufacturer, our 12 production lines allow for flexibility in scheduling custom batches for niche infrastructure projects.
Pitch 30mm is standard for walking safety and preventing small objects from falling through, while Pitch 40mm or 60mm offers lighter weight and better ventilation for non-pedestrian areas.
Jiulong
