Explore our premium grade galvanized steel structure stair treads engineered for extreme durability and optimal industrial safety.
Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM) was founded in 1993, is mainly engaged in the design and manufacturing of steel grating, railings, platforms and other light steel structures. It is a modern comprehensive enterprise integrating scientific research and design, machinery manufacturing and engineering construction.
We currently have 2 production bases in the East and North of China, there are 12 steel grating auto welding product lines, as well as complete auxiliary processing equipment and testing facilities, like robots welding, laser cutting, digital control panel tailoring etc. Our annual output of steel gratings and allied products, including trench covers, stair treads, stanchions, handrails, fences, is over 50,000 metric tons.
Partner With UsAs a key commercial and industrial hub, Taiz requires robust infrastructure capable of withstanding demanding environments. Our heavy-duty galvanized stair treads and structural grating systems provide exceptional load-bearing performance, optimal slip-resistance, and complete corrosion protection.
NJMM offers comprehensive engineering service and support, including the design and installation of the grating solutions and the provision of detailed drawings if required. NJMM is committed to a continuous process to enhance customer service through product quality and delivery. NJMM had got the ISO9001 Quality System Certificate, CE certificate, GHOST certificate and other international certificates.
Our galvanized steel stair treads and grating solutions are engineered for high-performance deployment across diverse industrial sectors.
Widely utilized in the petrochemical industry, light chemical industry, mechanochemistry, textile chemical industry, refineries, and port terminals. Recommended products include JG255/30/100, JG325/30/100, and G505/30/100.
Key Advantages:
Embracing digital manufacturing, sustainability, and advanced metallurgical engineering.
The global industrial grating and stair tread sector is rapidly transitioning toward automated laser cutting, robotic assembly, and low-emission galvanization processes. As a recognized green factory enterprise, NJMM integrates circular economy principles into every production cycle, optimizing steel consumption without compromising structural integrity.
For rapidly developing industrial zones like Taiz, adopting standardized modular steel structures significantly slashes project execution timelines and cuts lifecycle maintenance overheads.
Modern engineering projects demand certified compliance with international safety protocols (ISO, CE, ASTM). Our technical consulting teams work closely with EPC contractors in West Asia and the Middle East to deliver customized load calculations, bespoke stair nose designs, and serrated anti-slip profiles tailored to local environmental conditions.
Expert insights regarding our stair tread manufacturing, international shipping, and technical standards.
Our stair treads feature hot-dip galvanized finishes complying with international standards, ensuring exceptional resistance to heavy mechanical wear, humidity, and chemical exposure typical of demanding industrial settings.
Yes. As a direct manufacturer with advanced robotic welding and digital tailoring facilities, we provide fully customized lengths, widths, nosing plates, and side plates according to your detailed engineering drawings.
NJMM operates under strict ISO9001, ISO14001, and ISO45001 management systems. Our products carry CE certification and meet major global structural standards.
Products are securely strapped on heavy-duty steel pallets or wooden crates with protective wrapping to guarantee safe maritime and land transit to project sites worldwide.
Browse our extensive selection of industrial steel grating, railings, and specialized stair components.
Jiulong
