At Ningbo Jiulong Machinery Manufacturing Co., Ltd (NJMM), we define industry standards for stainless steel trench drain covers. Since 1993, our commitment to E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) has positioned us as the preferred partner for global engineering projects. Our covers are not merely metal components; they are critical infrastructure elements designed for high-load durability, corrosion resistance, and safety.
With a presence in over 13+ regions, our supply chain ensures that whether you are in the Middle East's petrochemical sector or Oceania's urban development, you receive CE-certified, quality-assured products.
From robotic welding to laser-precision cutting, we utilize 12 automated lines to ensure consistency. Our technical roadmap prioritizes sustainability and structural longevity in every batch.
We hold ISO9001:2015, ISO45001, and CE certifications. Our products undergo rigorous testing, ensuring they meet the highest global building codes.
We combine advanced anti-corrosion treatments with automated precision welding, ensuring that every trench cover offers superior load-bearing capacity and a lifespan exceeding 20 years in harsh environments.
Yes, NJMM provides full engineering support, from CAD drawings to site-specific installation consultations to ensure perfect fitment for your facility.