In the realm of structural metalwork, 19w2 Bar Grating represents the golden standard for balancing load-bearing capacity with functional spacing. The nomenclature "19w2" specifically denotes a 1-3/16" (19/16") center-to-center spacing for bearing bars and a 2" spacing for cross bars. As a premier Custom 19w2 Bar Grating Supplier, NJMM has pioneered the manufacturing of these grids using advanced forge-welding technology, ensuring that every intersection is a permanent, unified joint.
The 19w2 configuration allows for 80% open area, ensuring rapid liquid drainage and airflow, making it ideal for offshore platforms and chemical plants.
Fully compliant with ANSI/NAAMM (MBG 531) standards, providing reliable walking surfaces that prevent debris accumulation and enhance slip resistance.
Utilizing high-grade hot-dip galvanization (ASTM A123), our 19w2 gratings offer a service life exceeding 30 years in harsh marine environments.
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.
The global demand for 19w2 Bar Grating is shifting towards smarter, more sustainable infrastructure. We have identified several macro trends influencing the procurement strategies of Fortune 500 enterprises:
Procurement teams now prioritize manufacturers who utilize recycled steel and energy-efficient galvanizing processes to meet ESG (Environmental, Social, and Governance) targets.
Modern engineering projects require bar grating suppliers to provide 3D models and BIM-compatible files to ensure perfect fitment during modular construction phases.
Localization of support and fast lead times are critical. NJMM’s dual production bases ensure that global disruptions do not affect project timelines.
Our 19w2 Bar Grating solutions are deployed across diverse sectors, each with unique performance requirements:
As we move toward Industry 4.0, NJMM is committed to a technical roadmap that redefines the capabilities of steel grating. We are investing in AI-driven load simulation and robotic laser welding to increase precision and reduce material waste. The future of 19w2 Bar Grating lies in Smart Gratings—integrating sensors to monitor structural integrity and load stress in real-time, providing proactive maintenance data for heavy industrial sites.
Full Robot Automation of Banding & Tailoring
Zero-Emission Hot-Dip Galvanizing Lines
Implementation of IoT Integrity Sensors
Global Carbon-Neutral Certification
NJMM markets its products mainly to South America, Europe, Oceania, Africa, West Asia, Southeast Asia, Middle East and other countries in the world. In domestic, its marketing and service scope has covered all provinces nationwide and "Longta" steel grating has been widely applied to lots of renowned projects in China. Currently has two production bases, covering an area of 450,000 square meters. Participated in drafting and revised the steel grating standard of YB/T4001 in 2019. ISO9001:2015, ISO45001:2018, ISO14001:2015 certified.
Jiulong
