Modern enterprises prioritize diversified sourcing and local compliance. As a Tier-1 manufacturer, NJMM provides the stability of 12 automated production lines, ensuring high-volume consistency for multi-national projects in South America, Europe, and the Middle East.
Procurement for heavy industry demands adherence to ISO9001, CE, and GHOST certificates. Our products are engineered to meet the stringent YB/T4001 standards, providing peace of mind for safety-critical applications in petrochemical and maritime sectors.
Generic solutions no longer suffice. Enterprise buyers require detailed engineering support. NJMM offers end-to-end design services, including tailored load-bearing calculations and precision laser cutting for complex geometry platforms.
Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM) was founded in 1993. As a modern comprehensive enterprise, we integrate scientific research, design, and machinery manufacturing. With two massive production bases and an annual output exceeding 50,000 metric tons, we are the vanguard of the steel grating industry.
We are transitioning from traditional fabrication to AI-driven quality control. Our robots welding and digital control panel tailoring minimize human error, ensuring every bar of the safety grating meets exact structural tolerances.
Carbon neutrality is the next frontier. NJMM is developing "Green Factory" initiatives, optimizing hot-dip galvanization processes to reduce environmental impact while maintaining superior anti-corrosion longevity (30+ years in marine environments).
For high-risk industries like offshore drilling and food processing, we are refining serrated profiles and specialized coatings that provide maximum grip even under heavy oily or icy conditions.
High ventilation and explosion-proof properties are paramount. Our JG255/30/100 and JG325/30/100 series provide the heat dissipation and structural stability required for multi-level refinery walkways.
Designed for extreme load-bearing. Our G505/30/100 and heavier JG1008/30/100 solutions are utilized in port terminals and mining platforms where equipment protection and durability are non-negotiable.
Focusing on aesthetics and safety. From parking lot ventilation to decorative ceiling screens, our grating solutions provide a modern, neat appearance with low maintenance costs.
NJMM features 6 sets of automatic banding robots and 2 sets of irregular grating fabrication platforms. We handle the projects others find too complex.
ISO45001:2018 Occupational Health and ISO14001:2015 Environmental Management certifications. We are a "Green Factory" and high-tech enterprise.
From drafting YB/T4001 national standards to providing detailed installation drawings, we support your project from concept to completion.
Hot-dip galvanization provides a metallurgical bond between the steel and the zinc coating, offering far superior corrosion resistance compared to paint, especially in coastal or industrial environments.
Plain grating is suitable for most standard walkways. Serrated grating is essential for areas where water, oil, or chemicals are present to prevent slippage (Anti-slip Class R13).
Yes. With our laser cutting and robotic welding systems, we can fabricate gratings to any shape or size based on your CAD drawings or architectural designs.
Absolutely. We have a robust global logistics network and our products carry CE and GHOST certifications to meet the legal requirements of almost any jurisdiction worldwide.
We comply with international standards such as ANSI/NAAMM (MBG531), BS4592, and AS1657. Our engineering team can provide load-deflection tables for each product series.
Thanks to our 12 automated lines, we can produce over 50,000 tons annually, allowing us to maintain some of the fastest lead times in the industry, even for large-scale custom orders.
Jiulong