What is the warranty or quality guarantee?

We provide a pre-production sample before mass production and a final inspection before shipment.

What are the accepted delivery terms?

Accepted terms include FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DDP, DDU, and Express Delivery.

What is the nearest port for shipping?

The nearest port is Qingdao port, but Shanghai and Tianjin are also supported.

Premium Customized 321 Stainless Steel Square Pipe at Factory Pricing

Name: Premium Customized 321 Stainless Steel Square Pipe at Factory Pricing
Brand: Liaocheng Jiujiang Machinery Manufacturing Co., Ltd.
SKU: 2227486655

Shandong, ChinaLiaocheng Jiujiang Machinery Manufacturing Co., Ltd.

US$2,240.00-5,672.00

1 Ton

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Type

Stainless Steel Square Pipe

Technique

Hot Rolled

Material

Stainless Steel

Surface Treatment

Polished

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Square

Standard

ASTM, AISI, GB, JIS, DIN

Certification

ISO, RoHS, Ibr, AISI, ASTM, GB, En, DIN, JIS

Shape

Round Square

Grade

200/300/400 Series, 410, 316L, 316, 430, 409L

Tolerance

±1%

Delivery Time

8-14 Days

Length/Width/Thickness

Customized as Required

Transport Package

Standard Sea-Worthy Export Packing or as Required

Specification

custom

Trademark

jiujiang

Origin

China

Production Capacity

50000

Key features

Customizable Dimensions: Outer diameter 6mm-2500mm and wall thickness 1mm-150mm can be customized as required.

Wide Material Selection: Available in 200/300/400 Series including 304, 316L, 410, and more for various grades.

Multi-Industry Application: Suitable for petroleum, chemical, construction, food, boiler, and hydraulic industries.

Strict Quality Control: 100% inspection for finished products with pre-production samples and final checks.

Fast Delivery Time: Standard delivery within 8-14 working days after deposit receipt.

Factory Direct Supply: Direct from manufacturer with stable performance and quality assurance.

Flexible Customization: Supports OEM/ODM, custom shapes, and specific packaging requirements.

Professional Support: Experienced team with 66 engineering personnel and global service capabilities.

Company profile

Exhibition ExperienceIn-stock CapacityOEM ServicesStandardized quality control

Liaocheng Jiujiang Machinery Manufacturing Co., Ltd.

Shandong, 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: 7 Years CertifiedNearest Port: Qingdao portAverage Response Time: ≤4.99h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, product development, quality-control procedures, and manufacturing equipment coverage. It reports ODM and OEM capabilities, new products within the past year, finished-product inspection instructions, inventory capacity, ERP-based operational management, and participation in an offline trade show. However, the evidence also shows limitations in international service infrastructure: no overseas agents or branches, warehouse, showroom, or stated overseas service countries. Manufacturing governance has gaps, including no valid contract with related subcontractors, no outsourcing SOP, and no continuous batch quantity reconciliation. Financial credibility and formal certifications cannot be confirmed from the provided information.

Supplier typeThe supplier presents itself as a manufacturer with own-brand quality-control capability, ODM and OEM services, R&D activity, and in-stock capacity. The available evidence supports a manufacturing and product-development-oriented supplier type, although the precise legal or business classification is not stated.

After-Sales capabilityThe supplier has documented corrective and preventive action and customer-complaint procedures with follow-up records, accepts multiple service quotation and payment terms, and maintains inventory capacity. However, it has no overseas agents or branches, overseas warehouse, overseas showroom, or stated overseas service countries, limiting evidence of localized international after-sales support.

R&D capabilityThe supplier reports new products within the past year, ODM capability, multiple customization-oriented design services, new automatic anti-wear production equipment, and ERP-based digital management. It lacks an available SDK, but the broader evidence supports active product and process development.

Production capacityProduction resources include laser cutting, rolling, shearing, bending, punching, shot blasting, and powder-coating equipment, with two production lines, inventory capacity, and stated lead times within 15 working days in both peak and off-season. Nevertheless, there is no valid contract with related subcontractors, no outsourcing SOP, and no continuous batch quantity reconciliation, indicating manufacturing-control weaknesses.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, and provides drawing-based ordering support for wear-resistant ceramic tile molds. The stated production-data error for wear-resistant ceramic tiles is no more than 1 mm, further supporting application-specific manufacturing capability.