What certifications do the products have?

The products are certified with ISO, CE, and CCC standards.

High-Performance Negative Pressure PVC Air Duct for Mining

Name: High-Performance Negative Pressure PVC Air Duct for Mining
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 2104316885

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$6.00

1-499 Meters

US$5.00

500+ Meters

Sample price:US$6.00/meter.Request sample

Product profile

Customization

Available

Material

PVC

Usage

for Air Conditioner

Model NO.

600mm

Application

Metallurgy

Shape

Round

Performance

Corrosion

Certification

ISO, CE, CCC

Diameter

100~1500mm or Customized

Environmental Temperature

-20~100℃

Compressive Strength

1000~2000PA

Length

10m or Customized

Weight

470~650GSM

Thickness

0.4~0.6mm

Color

Yellow/Orange/Green/Black/Customized

Feature

Anti-Static/Waterproof/Impact Resistant

Connection Way

Zipper or Eyelet

Steel Ring Material

Spring Manganese Steel or Cold Drawn Steel

Suspension Clasp Spacing

500mm or Customized

Storage

Freely Bent, Expanded and Contracted

Installation

Easy to Connect and Disassemble by Zipper or Eyele

Steel Ring Thickness

5-10mm or Customized

Standard Steel Ring Pitch

100mm or Customized

Transport Package

Export Wooden Package

Specification

According to the order

Trademark

HANQI

Origin

Shandong, China

Production Capacity

20000 Pieces/Year

Key features

Customizable Dimensions: Diameter 100-1500mm and length 10m can be customized to fit specific tunnel requirements.

Multi-Color Options: Available in Yellow, Orange, Green, Black, or fully customized colors per customer request.

High Durability Materials: Made of wear-resistant biaxial polyester yarn with anti-static, waterproof, and flame retardant features.

Flexible Installation: Easy to connect and disassemble via zipper or eyelet; freely bent, expanded, and contracted for storage.

Professional Certification: Products hold ISO, CE, and CCC certifications ensuring quality and safety standards.

OEM/ODM Support: Full customization, minor customization, and flexible customization services available for global clients.

High Compressive Strength: Features a compressive strength of 1000-2000PA with a seamless heat sealing process for long air supply distance.

Company profile

High Repeat Buyers ChoiceCustomization from Samples3D Software DesignProduct Certification

Shandong Hanqi Industrial Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤8.61h

AI-Powered supplier vetting

SummaryShandong Hanqi Industrial Co., Ltd. is identified as a combined industrial company providing design, development, manufacturing, installation, sales, and after-sales services. It reports two production lines, a broad set of manufacturing equipment, inventory capability, written finished-product inspection procedures, and peak- and off-season lead times within 15 working days. The supplier supports extensive customization and ODM services, has introduced new products within the past year, and reports OEM service for well-known brands. However, it reports no supplier-management-system certifications, fewer than five quality-control staff, no valid manufacturing-capacity contract with related subcontractors, no overseas agents, branches, warehouses, or showrooms, and no offline trade-show participation. The provided information does not establish sufficient evidence to assess financial credibility or specific customer cases.

Supplier typeThe supplier is classified as a combined company and describes itself as an industrial enterprise integrating design, development, manufacturing, installation, sales, and after-sales services. It also reports its own factories, a research institute, and strategic cooperation with manufacturers in China.

CertificationsThe supplier-management-system certification field is explicitly recorded as NIL. This is direct evidence that no such certification is reported in the provided information.

R&D capabilityThe supplier reports two years of total R&D engineer experience, a research institute, new products within the past year, and ODM services. These indicators support active product development, although no SDK is available and the depth of the R&D organization is limited in the provided data.

Production capacityThe supplier operates two production lines and lists laser cutting, shearing, rolling, drilling, shot blasting, painting, punching, and welding equipment. It reports inventory capability, written production-service procedures, and lead times within 15 working days in both peak and off seasons; however, it has no valid contract with related subcontractors for manufacturing capacity.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, and also provides ODM services. The same customization range is reported across both R&D and design-capability records.