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Product profile
Customization
AvailableAfter-sales Service
24 Hours After-SeriveWarranty
5 YearConnection
FemaleShape
EqualHead Code
RoundAngle
90 DegreeWall Thickness
BSMaterial
PVCTechnics
InjectCertification
ASME, BSColor
WhiteTransport Package
Packed Into Poly Bags, Then Into Cartons. The SizeSpecification
1/2"~4"Trademark
TYOrigin
ChinaHS Code
3917400000Production Capacity
50000 Pieces /MonthKey features
50-Year Service Life: PVC-U piping network designed for uninterrupted water supply with a service life of up to 50 years.
High Flow Efficiency: Smooth walls with low friction coefficient enhance fluid transport efficiency by 25% compared to cast iron.
Corrosion Resistant: Strong resistance to acids and alkalis, no rust, and no antiseptic treatment required for long-term use.
Lightweight & Easy Install: Density is 1/5 to 1/6 of cast iron, allowing for simple connection methods and quick installation.
High Tensile Strength: PVC-U material offers high tensile and shock strength, ensuring safety and preventing breakage.
Cost Effective: Cheaper prices compared to cast iron piping networks while maintaining high quality and durability.
Certified Quality: Products match ASTM D2467, D2464, and D1785 standards with CE, SGS, ISO, and WRAS certifications.
OEM Service Available: We accept OEM business, reviewing and accepting customer designs or creating new ones based on requirements.
Company profile

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: ≤24h
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?
A:
We are a well-known solution provider for plastic piping systems with 26 years of professional experience.
Q:Do you offer OEM service?
A:
Yes, we offer OEM service with the same quality as our famous brand, accepting customer designs or creating new ones.
Q:How to get a sample?
A:
We provide free samples for inspection after price confirmation. Freight is collected unless you place a final order.
Q:What certifications do your products have?
A:
We have passed CE, SGS inspections and hold ISO 9001, ISO 14001, OHSAS 18001, and WRAS certificates.
Q:What are the main advantages of PVC-U pipes?
A:
Advantages include high flow ability, corrosion resistance, lightweight, easy installation, high tensile strength, and long service life.
Send Inquiry
*To:
Zhejiang Tianyan Holding Co., Ltd.
Zhejiang Tianyan Holding Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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