What are the available surface finishing options?

Options include PVDF, PE, Powder Coating, Anodized, and more.

What is the lead time for delivery?

Peak season lead time is one month, and off-season lead time is within 15 workdays.

Sound Absorption Rock Wool Sandwich Panel for Heat Exchanger

Name: Sound Absorption Rock Wool Sandwich Panel for Heat Exchanger
Brand: FoShan HongZan Building Materials Co., Ltd.
SKU: 1985992595

Guangdong, ChinaFoShan HongZan Building Materials Co., Ltd.

US$28.00

100-499 Square Meters

US$25.00

500-999 Square Meters

US$23.00

1,000+ Square Meters

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

8 Years

Warranty

10-15 Years

Model NO.

RWP-254

Feature

Environmental, Fireproof, Light Weight, Metal Panel

Fire Rating

Certification

CCC, ROHS, ISO9001

Customized

Surface Finishing

PVDF, PE, Powder Coating, Anodized, etc.

Edge

Closed or Open, Customized Made

Shape

Rectangle, Triangle, Rhombus, Trapezoid

Refractory Temperature

200°c

Usage

Building, Wall, Partition, Ship Hull, Roof, Store

Adhesive

Expoxy Resin

Density of Rock Wool

80kg/M³, 100kg/M³, 120kg/M³

Sheet Coating

Paingting, Powder, Anodized, Electrophoreses

Delivery Time

Based on The Quantity and Specification

Transport Package

Standard Export Packages--Wooden Crate

Specification

1200*2400mm, customized made

Trademark

Hongzan

Origin

Foshan, China

HS Code

76169990

Production Capacity

500, 000 Sqm Annually

Key features

Customizable Specifications: Customized density, shape, surface finishing, and size options available.

Superior Insulation: High efficiency thermal, sound insulation, and sound absorption features.

Fireproof Safety: Class A fire rating with non-burning, non-toxic, and chemical stability.

Wide Application Scope: Suitable for walls, roofs, ships, heat exchangers, and cold rooms.

Long Warranty Period: Comprehensive 10-15 years warranty with 8 years after-sales service.

International Certifications: Certified by ISO 9001, CCC, ROHS, and various international standards.

High Production Capacity: Monthly capacity of 50,000 square meters with annual output up to 4.5 million sqm.

Free Sample Service: Free samples provided for quality verification before bulk orders.

Company profile

FoShan HongZan Building Materials Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-01-01Nearest Port: Foshan Port,China, Guangzhou Port,China, Shenzhen Port,ChinaAverage Response Time: ≤15hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FAS, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryFoShan HongZan Building Materials Co., Ltd. is identified as both a trading company and manufacturer/factory specializing in honeycomb cores and architectural composite panels. The supplier has operated since 2002 and began exporting in 2006, with 51%–70% of total sales from exports and self-operated import/export rights. Its stated capabilities include more than 10 production lines, over 300 workers, 10 experienced engineers, 6–10 years of R&D engineer experience, 11–20 quality-control staff, and multiple listed production outputs. ISO 9001 and ISO 14001 certifications, along with BV, TUV, SGS, Lloyd’s, and other testing or certification evidence, support its quality and compliance profile. The materials provide limited direct evidence regarding after-sales service, financial credibility, innovation results, customization execution, or specific customer cases.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, with manufacturing industry associations and a factory in Nanhai, Foshan. Its stated history and production infrastructure support that it is not solely a trading intermediary.

CertificationsThe supplier reports ISO 9001 and ISO 14001 certification, plus BV, TUV, SGS, Lloyd’s marine certification, BS 476 testing, and other quality or product reports. These records provide explicit evidence of formal management-system and product-compliance credentials.

R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience, 10 experienced engineers, and rigorous professional R&D support as a stated objective. Its broad product range suggests product-development activity, but the slices do not provide patents, new-product results, dedicated R&D investment, or verified innovation outcomes.

Production capacityProduction evidence is substantial: more than 10 production lines, a factory of about 30,000 square meters, 300 specialized production equipment sets, more than 300 workers, and listed output across stone, aluminum, porcelain, and core products. The supplier also lists multiple honeycomb and corrugated-panel production lines, supporting a broad manufacturing capacity.

Product Q&A

Q:Do you provide free samples?

Yes, we do supply samples for free.

Q:Do you offer the best price?

We are a manufacturer with our own export rights and always provide our best price with high-quality products.

Q:How can you ensure your quality is reliable?

We have a QA system and pass ISO 9001:2008. Our products passed BS, IMO, CE EN, ASTM tests. We can supply reports and certificates, and you are welcome to send a QC team to do the inspection.

Q:What is your factory's productivity ability?

Our production capacity is 50,000 square meters per month.

Q:Can we have a video factory tour during the pandemic?

Of course! You are welcome to set up a live video visiting of our factory.