Is factory visit or inspection acceptable?

Yes,factory visit is always welcomed and inspection like third-party inspection okay.

Do you attend any expo?

Yes, usually we attend sign expos in Shanghai twice in a year (one in March and the other in September). And we attended Sign Asia expo in IMPACT, THAILAND. In future we will add China Import and Export Fair (Canton Fair) into our exhibition list, also some international expos which will be hold in different countries.

How about the after-sale service?

If there has any quality problems when you receive our products, show us photos and after discussing we will afford the lost from next order.

1/2"-72" DIN2631 Pn16 Stainless Steel 1.4404 1.4408 Weld Neck Flange

Name: 1/2"-72" DIN2631 Pn16 Stainless Steel 1.4404 1.4408 Weld Neck Flange
Brand: Tobo Industrial (shanghai) Co.,Ltd
SKU: 2189192985

Shanghai, ChinaTobo Industrial (shanghai) Co.,Ltd

US$5.00

1-99 Pieces

US$4.80

100-999 Pieces

US$4.50

1,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Standard

ANSI, DIN, GB, JIS, GOST, BSW

Type

Welding Flange

Material

Stainless Steel

Model NO.

TB900-4

Structure

Flanges

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

Technology

Forged Casting

Warranty

1year

Flange Size

3/4 Inch, 1/2 Inch

Selling Units

Single Item

Transport Package

Wooden Box /Pallet

Specification

304/316L

Trademark

OEM/ODM

Origin

China

HS Code

7506200000

Production Capacity

1000 Pieces/Month

Key features

Wide Material Selection: Available in Stainless Steel 304/316L, Nickel Alloys, Inconel, Hastelloy, and Duplex Steel.

High Pressure Durability: Weld Neck design with long tapered hub reduces stress concentration for extreme pressure applications.

Strict Quality Inspection: Products inspected by ISO, SGS, and BV standards to ensure corrosion and compression resistance.

Custom Manufacturing: Supports OEM/ODM services, including production from customer samples, designs, and technical drawings.

Global Standard Compliance: Manufactured according to ANSI, DIN, GB, JIS, GOST, and BSW standards with various thickness schedules.

Fast Delivery Options: Standard delivery within 15-30 days; expedited options available for 20ft and 40ft containers.

Free Sample Availability: Small samples provided free of charge, with customer covering express shipping costs.

Professional Technical Support: Dedicated R&D team with 5-8 years experience provides real-time solutions for production and processing.

Company profile

High Repeat Buyers ChoiceQuality AssuranceRaw-Materials TraceabilityCustomization from Samples

Tobo Industrial (shanghai) Co.,Ltd

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤10.46h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company operating in pipeline accessories, metal materials, mechanical and electrical products, machinery, and related services. It reports strong customization and R&D capabilities, including ODM services and new product development during the past year. Production-related evidence includes advanced fastener equipment, multiple processing capabilities, five branches, and stated annual fastener capacity of 60,000 tons. Quality-related strengths include raw-material traceability, quality assurance, complaint procedures with records, and OEM service for known brands. However, the supplier has no overseas showroom, agents or branches, or offline trade-show participation, and its sustainable-development implementation is limited by a stated lack of AI-based management capability. Financial credibility cannot be assessed from the available non-monetary information.

R&D capabilityThe supplier reports new product development during the past year, ODM services, and extensive design customization. It also uses ERP for digitalized production, procurement, quality-control, and logistics management, but reports no available SDK and no AI model for big-data decision support, so innovation capability is supported but not comprehensive.

Production capacityThe supplier reports five branches, advanced fastener production equipment, metal, forging, machining, cold forming, hot extrusion, and heat-treatment processes, plus stated annual fastener capacity of 60,000 tons. Raw-material traceability is also reported, providing explicit evidence of substantial production capability.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, and minor customization. It also offers ODM services, demonstrating broad product-design and customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands and describes a quality objective focused on zero defects and zero complaints. It also reports complaint-handling records, but no specific customer names, project details, or independently verifiable case outcomes are provided.