What certifications does the product have?

The product series suits UL & ETL standards. Additionally, we have passed inspections for CE and SGS and hold certificates for ISO 9001, ISO 14001, OHSAS 18001, and WRAS.

Is the material safe and environmentally friendly?

Yes. The PVC-U material is healthy, non-toxic, free of stains, recyclable, and environmentally friendly. It also has high insulating properties and is non-flammable.

4 Expension Fitting for Insulating PVC Electrical Conduit System

Name: ETL & UL PVC Plastic 1/2 3/4 Expension Fitting for Insulating PVC Electrical Conduit System
Brand: Zhejiang Tianyan Holding Co., Ltd.
SKU: 2081613745

Zhejiang, ChinaZhejiang Tianyan Holding Co., Ltd.

US$0.10

3-9 Boxes

US$0.095

10-49 Boxes

US$0.08

50+ Boxes

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Hours After-Serive

Warranty

Year

Material

Plastic

Connection

Welding

Colour

Gray

Transport Package

Packed Into Poly Bags, Then Into Cartons. The Size

Specification

1/2"~8"

Trademark

TY/OEM

Origin

China

HS Code

3917400000

Production Capacity

100000 Meter /Month

Key features

High Insulating Property: PVC-U material resists electricity and undertakes more than 25KV voltage for safety.

Long Service Life: PVC-U piping network lasts longer than 50 years, significantly exceeding cast iron.

Corrosion Resistant: Strong resistance to most acids and alkalis; no rust or antiseptic treatment needed.

High Impact Resistance: Material is durable and suitable for laying in concrete without breaking easily.

Light Weight & Easy Install: Density is 1/5 to 1/6 of cast iron; simple connection method ensures quick installation.

Non-flammable Safety: High limiting oxygen index makes it difficult to burn; extinguishes itself away from fire.

Certified Quality: Meets UL & ETL standards; passed CE, SGS, ISO 9001, ISO 14001, and OHSAS 18001.

Customization Available: Offers OEM/ODM services with flexible customization from samples or designs.

Company profile

Zhejiang Tianyan Holding Co., Ltd.

Zhejiang, 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: 26 years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryTIANYAN demonstrates broad customization, ODM, recent product development, and OEM experience for well-known brands. It reports CE product compliance certification and ISO9001:2015, ISO45001:2018, and ISO14001 management certifications. Export experience is substantial, with 26 years of exporting and 71%–90% of sales from exports, supported by self-operated import/export rights and multiple quotation and payment terms. Quality and service procedures are documented, including finished-product inspection, corrective actions, complaint handling, and supplier assessment. However, the supplier reports no inventory capacity, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation. It also lacks an SDK, has no Fortune 500 cooperation, and provides insufficient evidence to verify financial strength or production capacity.

Supplier typeThe supplier presents itself as a manufacturer and service provider with ODM, OEM, and broad customization capabilities. It has self-operated import/export rights and long export experience, but reports no valid manufacturing-capacity contract with related subcontractors and no overseas service infrastructure.

CertificationsThe supplier reports CE certification for product compliance and ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These stated certifications provide explicit evidence of certification holding, although no certificate scope or validity details are provided.

After-Sales capabilityDocumented procedures exist for customer complaints, corrective and preventive actions, supplier assessment, and service capability management. However, the supplier reports no overseas agents or branches, overseas warehouse, overseas showroom, or overseas-service coverage, which limits evidence of localized after-sales support.

R&D capabilityThe supplier reports new products during the past year, provides ODM and multiple forms of design customization, and uses an ERP system for digitalized production, procurement, quality-control, and logistics management. It does not have an available SDK, while CRM and SAP system adoption are recorded as zero.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability and new-product development during the past year, providing strong evidence of broad customization capability.

Client casesThe supplier states that it has provided OEM services for well-known brands and has received appreciation from most agents and customers. However, it reports no cooperation with Fortune 500 companies and provides no named customer cases or verifiable project details.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a well-known solution provider for plastic piping systems with 26 years of professional experience. You are welcome to visit and investigate us to see the difference.

Q:Do you offer OEM service?

Yes. Although we have our own famous brand, we offer OEM service with the same quality. Our professional R&D team can review and accept customer designs or create new ones based on requirements.

Q:Why should I choose your company?

We have 26 years of experience supplying to over 60 countries, hold multiple certifications (CE, SGS, ISO, etc.), possess a strong R&D and QA team, and have extensive production capacity with over 30 extruding and 200 injection molding machines.

Q:How can I get a sample?

Samples are free for inspection after prices are confirmed. Freight is collected unless you pay in advance. If you place a final order, we will cover the freight cost and credit it to your deposit.

Q:What is the service life of PVC-U piping?

While normal material piping lasts 20-30 years, our PVC-U piping network can be used for more than 50 years due to its high durability and resistance to corrosion and impact.

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ETL & UL PVC Plastic 1/2 3/4 Expension Fitting for Insulating PVC Electrical Conduit System