Does the product have quality inspection before loading?

Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.

How to pack the products?

The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It caneffectively protect products from corrosion during ocean transportation.

JIS Certified Customized Galvanized Steel Plate/Sheet Coil Shape ISO9001 Air Conditioner Cutting Oil Pipe Structure Pipe

Name: JIS Certified Customized Galvanized Steel Plate/Sheet Coil Shape ISO9001 Air Conditioner Cutting Oil Pipe Structure Pipe
Brand: Shandong Tongmao Special Steel Co., Ltd.
SKU: 2147949405

Shandong, ChinaShandong Tongmao Special Steel Co., Ltd.

US$1,500.00-2,200.00

1 Ton

Product profile

Customization

Available

Type

Stainless Steel Pipes

Standard

ASTM, AISI, GB, JIS, DIN, EN

Model NO.

customize

Grade

Customized

Certification

ISO, AISI, ASTM, GB, EN, DIN, JIS

Shape

Round

Technique

Cold-Drawing

Surface Treatment

Polished

Product Name

Stainless Steel Welded Pipe

Wall Thickness

0.25-40mm

Outer Diameter

6-1020mm

Length

6-12m or as Require

Delivery Time

7-15 Days

Transport Package

Standard Package

Specification

Customized

Trademark

TongMao

Origin

China

Production Capacity

10000 Tons/Month

Key features

Wide Material Selection: Available in 201, 304, 316L, 430, and other stainless steel grades.

Custom Dimensions: Outer diameter 6-1020mm, wall thickness 0.25-40mm, length 6-12m.

High Corrosion Resistance: Resists acid, alkali, salt, and high temperatures without deformation.

Multiple Surface Finishes: Options include Satin, Hairline, Mat, Pickling, and Mirror finish.

Strict Quality Control: 100% quality inspection before loading; unqualified products destroyed.

Fast Delivery: Standard delivery time within 7-15 days after order confirmation.

Professional OEM/ODM: Supports customization from designs with professional engineering support.

Global Sample Service: Samples available for shipment to all parts of the world.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceManagement Certification

Shandong Tongmao Special Steel Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.27h

AI-Powered supplier vetting

SummaryThe supplier is a limited-company trading company with eight employees and a product scope covering copper, aluminum, steel, brass, and stainless-steel products. It has self-operated import/export rights, eight years of export experience, and exports account for 71%–90% of total sales. Production information states annual capacity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. However, the supplier reports no overseas showrooms, agents, branches, or offline trade-show participation, and has no written complaint-handling, corrective-action, or supplier-service assessment procedures. Quality controls include quality assurance, but finished products are randomly inspected and checked by packing staff, with one quality inspector and no raw-material traceability. Innovation and formal R&D capabilities are limited: no new products were launched in the previous year, and no 3D design, ODM, SDK, or popular-brand OEM services are...

After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation. It also has no written corrective-and-preventive-action procedures, complaint-handling procedures, or effective supplier-service assessment records, although it accepts multiple quotation and payment terms and reports lead times within 15 working days.

R&D capabilityThe supplier reports no new products in the previous year and does not provide 3D software design, ODM, SDK, or popular-brand OEM services. Its stated R&D-related service is customization from samples, indicating limited innovation capability rather than a documented product-development program.

Production capacityThe supplier provides stated annual productivity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. It has export experience of eight years, self-operated import/export rights, and export sales of 71%–90%; however, quality inspection is limited to random inspection, packing-staff checks, one inspector, and no raw-material traceability.

Customization capabilityCustomization from samples is explicitly available in both the R&D/design-related and product-capability information. No broader 3D, ODM, SDK, or formal product-development capability is stated, so the confirmed capability is sample-based customization.