China Roof Panels Suppliers: Hidden Fastener PV Types with PU/Rock Wool/Glass Wool Cores, 50-100mm Thickness from Factory
Wall Panels
- Hidden fastener narrow-joint wall panels
- Hidden fastener wide-joint wall panels
- Stiffened seamless & seamed wall panels
- Interior partition wall panels
Surface & Substrate Options
- Surface Finishes: Flat, mini-corrugated, ribbed, embossed
- Substrate Materials: Color steel, stainless steel, aluminum-magnesium-manganese (Al-Mg-Mn)
Cold Room & Partition Panels
- Specially designed for cold chain logistics projects
- Core Material: Polyurethane (PU)
Auxiliary Panels
- Corner panels
- Curved arc panels
- Four-sided tongue-and-groove panels
Company Advantages
Honglu Group, mainly focuses on the manufacturing of high-quality steel structure and the R&D of prefabricated technology.
Steel Structure Manufacturer
Honglu, a steel structure top manufacturer with daily capacity 15,000+ Tons, effectively shortens construction periods and saves construction costs for you.
Efficient Production
10 production sites, 400+ production lines, annual production capacity of steel structure 5,000,000+ tons, slabs 30,000,000㎡.
High Quality Service
Experiencing 21 years, serving 100,000+ customers. Take the lead in passing ISO9001, ISO14001, OHSAS18001, certification of European & American standards.
Rich Product Chain
Rich product chains, providing a comprehensive one-stop service for steel structure projects.
Frequently Asked Questions (FAQ)
What types of wall panels do you manufacture?
We manufacture hidden fastener narrow-joint wall panels, hidden fastener wide-joint wall panels, stiffened seamless & seamed wall panels, and interior partition wall panels.
What is the thickness range available for your wall and cold room panels?
Our standard wall panels range from 50 to 120 mm in thickness. For cold room and partition panels, we offer thicknesses from 100 to 300 mm to meet cold chain requirements.
What core and substrate options do you provide?
Our cold room panels feature a Polyurethane (PU) core. Substrate options include color steel, stainless steel, and aluminum-magnesium-manganese (Al-Mg-Mn), with surface finishes like flat, mini-corrugated, ribbed, and embossed.
How are auxiliary panels used in construction?
Auxiliary panels (such as corner, curved arc, and four-sided tongue-and-groove panels) are designed to work seamlessly with our wall panels to form neat internal/external corners and curved architectural shapes.
What is Honglu Group's production capacity?
Honglu Group operates 10 production sites and over 400 production lines, yielding an annual capacity of 5,000,000+ tons of steel structures and 30,000,000㎡ of slabs.
What quality standards do your products comply with?
Our manufacturing and products strictly follow international standards. We have passed ISO9001, ISO14001, and OHSAS18001 certifications, complying with European and American standard certifications.




