How is the product packaged?

Products are packed in bundles and wrapped with steel strips.

What is the zinc coating weight?

The standard zinc coating is 240g-280g, or as required by the customer.

Do you provide warranty and after-sales service?

Yes, we provide warranty and after-sales service for our products.

Premium Hot DIP Galvanized Square Tubing with Pre-Drilled Holes

Name: Premium Hot DIP Galvanized Square Tubing with Pre-Drilled Holes
Brand: Qingdao Wanrunda Imp and Exp Co., Ltd.
SKU: 696464082

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

US$620.00

10-19 Tons

US$610.00

20+ Tons

Product profile

Customization

Available

After-sales Service

Provide

Warranty

Provide

Model NO.

80x80mm x 5mm

Type

Hot DIP Galvanized Steel Pipe

Technique

Hot Rolled/Hot DIP Galvanized

Material

Carbon Steel

Surface Treatment

Hot DIP Galvanized

Usage

Pipeline Transport, Machinery Industry, Construction & Decoration, Special Purpose

Section Shape

Square/Rectangular/Round

Dimension(mm)

Shs25X25-400X400, Rhs25X50-200X400, Chs25-323mm

Wall Thickness

2.0-20mm

Length

1-12meters(Normal Length6000mm)

Surface

Hot Dipped Galvanized Surface, Zinc:240g-280g

Thickness Tolerance

+/- 0.05mm

Transport Package

to Be Packed in Bundle, Wrapped with Steel Strips

Specification

SHS:25X25-400X400,RHS:25X50-200X400,CHS:OD25-323mm

Trademark

Wanrunda

Origin

Tianjin and Qingdao

HS Code

7306610000

Production Capacity

100000mt Per Month

Key features

Hot DIP Galvanized Surface: Zinc coating 240g-280g for superior corrosion resistance.

Wide Dimension Range: SHS 25x25-400x400mm, RHS 25x50-200x400mm, CHS OD 25-323mm.

Customizable Dimensions: Accepts fixed length orders and special specifications upon request.

Multiple Material Options: Available in Q195, Q235, Q345, ASTM A36, and SS400 steel grades.

Precise Tolerance Control: Thickness and OD tolerance maintained at +/- 0.05mm.

Fast Delivery Time: Ships within 15-20 days after receiving the deposit.

Comprehensive After-Sales Support: Providing warranty and technical assistance for all products.

Versatile Applications: Ideal for construction, fluid hoses, steel structures, and agriculture.

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.