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Galvanized Steel Backing Ring/ Flange Plate for HDPE Flange Adapter
US$3.45
1-499 Pieces
US$3.35
500-999 Pieces
US$3.25
1,000+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableStandard
ISO4427 ISO4437/En1555/ASTMType
Welding FlangeModel NO.
Dn20-1200mmMaterial
Nylon CoatedStructure
Flange PlateConnection
WeldingSealing Surface
HDPEManufacturing Way
Injection MoldingSDR
SDR11/17Norminal Pressure
Pn16Sample
Provide SamplesPackage
Carton Box+Plastic BagApplication
Water SupplyTrading Method
EXW, Fob, CFR, CIF, DDUTransport Package
Carton BoxSpecification
20-1200mmTrademark
CROrigin
China (Mainland)HS Code
3917400000Production Capacity
100000/YearKey features
Wide Size Range: Available in sizes from 1/2 inch (15 NB) to 48 inch (1200 NB), covering DN10 to DN5000.
Multiple Standards: Complies with ISO4427, EN1555, ASTM, ANSI/ASME B16.5, DIN, and other international standards.
High Pressure Rating: Designed for PN10 and PN16 pressure ratings, suitable for gas and water supply systems.
Durable Material: Constructed from Galvanised Steel Plate with Nylon Coating for anti-rust protection.
Customization Support: Supports custom designs based on client drawings and provides samples upon request.
Quality Assurance: Includes EN 10204/3.1B certificates, 100% radiography tests, and third-party inspection reports.
Versatile Application: Ideal for municipal water, gas supply, sewage treatment, and industrial liquid transportation.
Professional Manufacturer: Produced by CHUANGRONG, a major manufacturer with over 100,000 tons annual capacity.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2005-10-19Nearest Port: shanghai , ningbo, dalianAverage Response Time: ≤5.54hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP, FCA
AI-Powered supplier vetting
SummaryCHENGDU CHUANGRONG TRADING CO., LTD. is identified as both a trading company and manufacturer/factory in Sichuan, China, with operations focused on HDPE pipes, fittings, welding machines, and related products. The supplier reports multiple management-system certifications, including ISO 9001, ISO 14001, ISO 14000, OHSAS/OHSMS 18001, and HACCP. Its stated production resources include more than 10 production lines, over 20 quality-control staff, 31–40 years of combined R&D engineer experience, and annual capacity of 100,000 tons for HDPE pipes and fittings plus 1,000 plastic pipe welding machines. The supplier also states that it provides professionally designed and customized project services. However, the supplied records show only one trade transaction and one associated buyer, so customer-case depth and demonstrated after-sales performance cannot be established. Financial strength also cannot be assessed from the available non-financial evidence.
Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, while company descriptions state that it operates an integrated industry-and-trade model and is involved in R&D, production, sales, and installation. It is therefore not limited to intermediary trading according to the provided records.
CertificationsThe supplier reports holding OHSAS/OHSMS 18001, ISO 14001, ISO 9001, ISO 14000, and HACCP management-system certifications. These stated certifications provide explicit evidence of formal quality, environmental, occupational health and safety, and food-safety-related management systems, although certificate validity or scope is not provided.
R&D capabilityThe supplier reports 31–40 years of total R&D engineer experience and describes its affiliated companies as specializing in R&D and new-type plastic pipes and fittings. It also reports more than 100 pipe production lines and 200 fitting production equipment units in its company description, indicating substantial technical and development resources, although no patents or specific innovations are listed.
Production capacityThe supplier reports more than 10 production lines, 21–30 quality-control staff, annual capacity of 100,000 tons for HDPE pipes and fittings, and 1,000 plastic pipe welding machines. Its description additionally states that it owns five factories and more than 100 pipe production lines, supporting a strong stated manufacturing scale, although the records contain different production-line counts that may reflect different scopes of reporting.
Customization capabilityThe supplier explicitly states that it can provide professionally designed and customized services for projects and describes a one-stop solution for plastic pipe systems. Its product range includes HDPE pipes and fittings, PP compression fittings, welding machines, tools, and pipe repair clamps, which supports broad solution coverage, but no specific customized project example is supplied.
Product Q&A
Q:What standards does this flange plate comply with?
A:
It complies with ISO4427, ISO4437, EN1555, ASTM, ANSI/ASME B16.5, DIN, and other international standards.
Q:What is the available size range for these flanges?
A:
Sizes range from 1/2 inch (15 NB) to 48 inch (1200 NB), covering DN10 to DN5000.
Q:What materials are used for the flange plate?
A:
The flange plate is made of Galvanised Steel Plate with a Nylon Coating for durability and anti-rust protection.
Q:Can I get custom designs or samples?
A:
Yes, we support custom designs based on your drawings and can provide samples upon request.
Q:What quality certifications are provided?
A:
We provide EN 10204/3.1B Raw Materials Certificates, 100% Radiography Test Reports, and Third Party Inspection Reports.
Send Inquiry
*To:
Chengdu Chuangrong Trading Co., Ltd.
Chengdu Chuangrong Trading Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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