What safety devices are included?

Our systems are equipped with lightning arresters and explosion-proof devices to ensure safety against unforeseen incidents like lightning strikes or explosions.

Does the height depend on the building?

Yes, the chimney's height depends on the building's height. We tailor the design to meet clients' needs and architectural requirements.

HVAC System Rectangular/Circular Double-Layer Air Ventilating Duct Pipe

Name: HVAC System Rectangular/Circular Double-Layer Air Ventilating Duct Pipe
Brand: Suzhou Rainbow Environmental Equipment Co., Ltd.
SKU: 2111678305

Jiangsu, ChinaSuzhou Rainbow Environmental Equipment Co., Ltd.

Negotiable

1 Set

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

Industrial

Model NO.

Commercial chimney

Shape

Round

Certification

Standard

Connection

Flange or Welding

Insulation

25*N mm

Thermal Insulation Material

Aluminum Silicate Cott

Thickness

0.8 to 1.5mm, Accept Customization

Height

Depends on The Height of The Building

Product Copiable

No, Key Parts with China Patent Technology

Transport Package

Pallet/Container

Specification

CE, V2 by TUV Germany

Trademark

Rainbow

Origin

Suzhou, Jiangsu Province, China

HS Code

73269090

Production Capacity

1000 Sets/Year

Key features

Patented Technology: Key parts feature China Patent Technology, ensuring unique and secure performance.

Premium Material Options: Available in SUS304 or 316L stainless steel for superior corrosion resistance.

Customizable Thickness: Thickness ranges from 0.8 to 1.5mm, with customization options available.

Comprehensive Safety: Equipped with lightning arresters and explosion-proof devices for personnel safety.

Industry Authority: Chief editor of National Steel Chimney Design Code with 142 national patents.

International Certifications: Holds ISO9001:2008 and ISO14001:2014 certifications for quality and environment.

Stable Operation Features: Includes rain caps, regulation valves, and inspection holes for maintenance.

Company profile

Suzhou Rainbow Environmental Equipment Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-01-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.87h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummarySuzhou Rainbow Environmental Equipment Co., Ltd. is a China-based supplier established in 2009, with stated experience in chimney and pipe manufacturing. The available information describes eight production lines, a 21,019 m² manufacturing area, stated output of 1,000,000 sets of stainless and carbon steel pipes, and export markets spanning domestic sales, Europe, Australia, and North America. The supplier reports ISO9001:2015 and ISO14001:2015 certification, 142 national patents, laser-welding and TED technology, and a quality-control team of 21–30 staff. Evidence also indicates products sold in multiple overseas markets. However, the records contain inconsistent company names, business classifications, facility sizes, and production-capacity figures. After-sales processes, financial credibility, and customization capability are not sufficiently documented.

CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates, plus unspecified additional certifications. These stated management-system certifications support quality and environmental-management capability.

R&D capabilityThe supplier claims 30 years of research-and-development, production, and sales practice, 142 national patents, five years of R&D-engineer experience, and use of TED and laser-welding technology. These are explicit indicators of engineering and innovation activity, although the records do not independently validate the claims.

Production capacityProduction capability is supported by eight production lines, a stated 21,019 m² manufacturing area, reported output of 1,000,000 sets of stainless and carbon steel pipes, and claimed monthly capacities of 58,000 pieces or 30,000 sets. Because the facility-size and capacity figures conflict across slices, capability is evidenced but not consistently quantified.

Client casesThe supplier reports sales or export coverage in domestic markets, Europe, Australia, North America, the USA, Germany, Japan, Korea, Italy, the Netherlands, Denmark, and South Africa. These destinations indicate international market experience, but no named customers, project references, order examples, or independently verifiable case studies are provided.

Product Q&A

Q:Are you a trading company or manufacturer?

We are factory. We have our company own design team and manufacturer worker. all products pre-fabricated in factory, only need simple connection at jobsite.

Q:How long is your delivery time?

Normally 45 days in common, To be negotiated.

Q:What is your terms of payment?

T/T or LC.

Q:What materials are used for the chimney?

We use SUS304 or 316L stainless steel, chosen based on anti-corrosion requirements to ensure prolonged usage in harsh environmental conditions.

Q:Is the thickness customizable?

Yes, the thickness ranges from 0.8 to 1.5mm, and we accept customization to meet specific structural stability needs.