What surface treatments are offered?

Options include anti-rust oiled surface and black surface treatment.

Premium Mild Steel Hollow Sections for Structural Use

Name: Premium Mild Steel Hollow Sections for Structural Use
Brand: Qingdao Wanrunda Imp and Exp Co., Ltd.
SKU: 833008285

Shandong, ChinaQingdao Wanrunda Imp and Exp Co., Ltd.

US$600.00-800.00

20 Tons

Product profile

Customization

Available

Type

Welded

Technique

ERW

Model NO.

steel hollow section

Material

Alloy Steel

Surface Treatment

Black

Usage

Construction & Decoration

Section Shape

Square

Size

400X400mm

Thickness

10mm

Length

4-12meters

Steel Grade

Q345/16mn/St52

Yield Strength

345MPa - 355MPa

Transport Package

Bulk Packing, Anti-Rust Oil Covered

Specification

400x400x10mm x 4-12meters

Trademark

Wanrunda

Origin

Tianjin

HS Code

7306610000

Production Capacity

200000mt Per Year

Key features

Wide Dimension Range: Available sizes from 20x20mm to 600x600mm with wall thickness 1-20mm.

Customizable Length: Standard 6000mm or fixed length options from 4 to 12 meters.

Multiple Steel Grades: Stocks Q195, Q235, Q345, 16Mn, and St52 grades for various needs.

High Precision Tolerance: Strict thickness and OD tolerance of +/- 0.1mm for quality assurance.

Versatile Applications: Suitable for construction, steel structures, road signs, and hydraulic pipes.

Fast Delivery: Delivery within 15-20 days after receiving deposit during off-peak season.

Flexible Payment: Accepts T/T or L/C at sight for secure and convenient transactions.

Company profile

Qingdao Wanrunda Imp and Exp Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-09-18Nearest Port: Qingdao Port, Tianjin port, Shanghai PortAverage Response Time: ≤18hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryQingdao Wanrunda Imp and Exp Co., Ltd. is identified as both a trading company and manufacturer/factory based in Shandong, China. It reports five production lines and listed annual capacities totaling 1,600 tons across steel products, including steel fences, trellises, plates, coils, pipes, and sections. The supplier states that 90% of sales are exports, has held exporting activity since 2008, and possesses self-operated import and export rights. ISO 9000 and ISO 9001 management-system certifications are reported. Its capabilities include punching, bending, welding, galvanizing, electrostatic spraying, powder coating, painting, and oiling, with manufacturing to ASTM, JIS, DIN, and API standards. Evidence is insufficient to assess after-sales service execution, financial credibility, innovation strength, and customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. It is a China-based limited company in Shandong and reports self-operated import and export rights, with exporting activity beginning in 2008.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 supplier management-system certifications. These stated certifications provide explicit evidence of formal quality-management credentials.

Production capacityThe supplier reports five production lines and stated annual capacities of 200 tons for steel fence and guardrail, 300 tons for angle-steel and grape trellis, 100 tons for self-nail steel plates and hanger straps, and 500 tons each for steel angles/flat/coil/plate/stainless steel and steel pipe/hollow section/alloy steel. These figures explicitly demonstrate multi-product manufacturing capacity.

Customization capabilityThe supplier states that it has its own processing equipment and can perform punching, bending, welding, galvanizing, electrostatic spraying, powder coating, painting, and oiling. It also states that products can be manufactured according to ASTM, JIS, DIN, and API standards, supporting customized processing and specification compliance.