How can I trust quality without visiting the factory?

We ensure transparency with Material Mill Certificates, NDT weld reports, and live video inspections. SGS, BV, or Intertek 3rd-party inspections are welcome.

Do you offer a One-Stop package?

Yes, we offer a Complete Building Envelope. Frame, panels, doors, windows, and ventilation are all co-designed for no gaps or leaks.

Can you quote from a basic sketch?

Absolutely! Provide Length x Width x Height and usage. Get a FREE 3D Layout and Quotation in 48 hours.

Durable Rock Wool Sandwich Panel for Effective Prefab Building Use

Name: Durable Rock Wool Sandwich Panel for Effective Prefab Building Use
Brand: QINGDAO HUAYUAN STEEL STRUCTURE CO., LTD.
SKU: 2316675145

Shandong, ChinaQINGDAO HUAYUAN STEEL STRUCTURE CO., LTD.

US$28.00

200-999 Square Meters

US$16.00

1,000-2,999 Square Meters

US$7.90

3,000+ Square Meters

Product specifications

Customization

Product profile

After-sales Service

Online Technical Support

Feature

Environmental, Fireproof, Light Weight, Metal Panel

Fire Rating

B1 Grade

Model NO.

Sandwich Panel-1

Certification

CCC, ROHS, ISO9001, CE

Customized

Panel Type

PU Sandwich Panel / PIR Sandwich Panel / Rock Wool

Insulation Material

PU / PIR / Rock Wool / EPS

Application

Warehouse, Workshop, Cold Storage, Prefab Building

Surface Material

Color Coated Steel Sheet

Thickness

50mm-200mm Customized

Core Material

Polyurethane Foam / Rock Wool

Density

40-120kg/M³ Customized

Connection Type

Hidden Screw / Tongue and Groove

Transport Package

Shipping Containers

Specification

Customization

Trademark

Customization

Origin

Shandong, China

HS Code

9406900090

Production Capacity

1800-2000 Tons Per Month

Key features

Fireproof & Safe: B1 Grade fire rating with Rock Wool and PIR options for superior fire resistance.

Customized Thickness: Thickness ranges from 50mm to 200mm, fully customizable to project needs.

Diverse Core Materials: Options include PU, PIR, Rock Wool, and EPS for various insulation requirements.

Global Certification: Certified by CCC, ROHS, ISO9001, and CE for international quality standards.

Direct Manufacturer: Established in 2000 with Class-One Qualification, offering direct factory pricing.

Precision Engineering: TEKLA/BIM design and 50+ engineers ensure precision without on-site welding.

Weather Resistant: Engineered to withstand 180km/h hurricanes and Grade-9 earthquakes.

Fast Quotation: Receive a free 3D layout and quotation within 48 hours based on sketches.

Company profile

Years of Export ExperienceFast DeliveryFull Customization3D Software Design

QINGDAO HUAYUAN STEEL STRUCTURE CO., LTD.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedExport Year: 10 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.99h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryQINGDAO HUAYUAN STEEL STRUCTURE CO., LTD. is a limited trading company in Qingdao, China, offering steel structure products. It is identified as a professional technical supplier and provides 3D design and multiple customization options. Export activity is substantial, with 90% of total sales reportedly coming from exports and approximately 10 years of export experience. However, the available evidence shows no in-stock capability, overseas warehouse, overseas showroom, overseas agents or branches, and no history of offline trade-show participation. Innovation evidence is weak: no new products were reported in the past year, and the supplier does not provide ODM, popular-brand OEM, or SDK services. Corrective-action and customer-complaint procedures are documented and followed, while quality assurance, raw-material traceability, manufacturing contracts, and some financial and safety information remain unverified. A TUV Rheinland audit is recorded, but the stated audit result is 0 and no certification...

Supplier typeThe supplier is a limited company based in Shinan District, Qingdao, and is classified as a trading company. Its primary and offered product scope is steel structure, while the business scope includes activities requiring approval where applicable.

After-Sales capabilityThe supplier lists equipment installation as an overseas service offering and has documented, followed procedures for corrective and preventive actions and customer complaints. Nevertheless, it has no overseas agents or branches, no overseas warehouse or showroom, and no in-stock service capability, limiting evidence of broad or rapid after-sales support.

R&D capabilityThe supplier is identified as a professional technical supplier and provides 3D software design services. However, it reported no new products in the past year and does not offer ODM, popular-brand OEM, or SDK services, indicating limited demonstrated product innovation.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides 3D software design services. These repeated entries provide clear evidence of broad customization capability.

Product Q&A

Q:Are you a direct manufacturer or trading company?

We are a direct manufacturer since 2000, holding Class-One Qualification for steel structures. Avoid markups by partnering with a CE/EN1090/ISO certified factory. Join a 26+ year industry leader with projects in over 50 countries.

Q:How do you handle local labor costs and assembly risks?

We resolve this using TEKLA/BIM; 50+ engineers guarantee precision. Fully bolt-connected systems need no on-site welding. With our 3D manual, ordinary workers cut labor costs significantly.

Q:Is the product safe for extreme weather conditions?

Safety is fundamental. Designs are tailored to local wind, snow, and seismic conditions, meeting ASTM, Eurocode, or AU/NZS standards. Engineered to endure 180km/h hurricanes and Grade-9 earthquakes.

Q:How do you prevent rust during freight or use?

We use Hot-Dip Galvanization or multi-layer Marine Epoxy Paint based on conditions. Secure container loading with spacers prevents damage, ensuring pristine arrival and a 50+ year lifespan.

Q:How do you save ocean freight costs?

We use 3D software for packing, nesting parts to save 15-20% shipping space. Our Qingdao hub offers competitive sea freight rates.