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Durable Steel Telescoping Tubes with Various Hole Patterns and Sizes
US$1.00-11.90
1,000 Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableType
WeldedTechnique
ERWModel NO.
perforated tubeMaterial
Carbon SteelSurface Treatment
Plain/Pre-Galvanized/HDG/Powder CoatingUsage
Special Purpose, Unistrut System, Traffic Contral ,Safety ProductsSection Shape
SquareCross Section
1 1/2" ; 1 3/4" ; 2" ; 2 1/4" ; 2 1/2"Wall Thickness
12ga (2.7mm) ; 14ga (1.9mm)Length
3';4';8';10';12' or CustomizedHoles
Dia. 7/16" , Holes Center Distance 1"Surface
Plain / Pre-Galvanized / HDG/Powder Coating etcPowder Coating Color
CustomizedMaterial Grade
Plain: ASTM A1011 Gr33 ; Pg- ASTM a 653 Gr33Yield Strength
60,000 Psi MinimumTransport Package
Standard Exporting PackageSpecification
1 5/8" x 1 5/8", 1 7/8" x 1 7/8", 2''x2''Trademark
WRDOrigin
ChinaHS Code
73066100Production Capacity
50000PCS Per MonthKey features
Customizable Dimensions: Available in various cross sections, wall thicknesses, and lengths including customized options.
Multiple Surface Treatments: Options include Plain, Pre-Galvanized, HDG, and Powder Coating with customizable colors.
High Torsional Stability: Square shape design provides superior loading capacity and stability against wind forces.
OEM and Design Services: Full OEM service, design support, and buyer labeling options are available.
Versatile Installation: Easy hand or power installation with square-post anchors; signs mountable on all four sides.
Standard Material Grades: Manufactured from ASTM A1011 SS GR 33 and ASTM A653 GR 33 carbon steel.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-09-18Nearest Port: Qingdao Port, Tianjin port, Shanghai PortAverage Response Time: ≤15hTerms 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.
Product Q&A
Q:What are the available cross-section sizes?
A:
Cross sections include 1 1/2', 1 3/4', 2', 2 1/4', and 2 1/2', with customized options available.
Q:Is powder coating color customizable?
A:
Yes, powder coating color is fully customizable to meet specific project requirements.
Q:What surface treatment options are offered?
A:
We offer Plain, Pre-Galvanized, HDG, and Powder Coating surface finishes.
Q:What are the standard wall thicknesses?
A:
Standard wall thicknesses are 12ga (2.7mm) and 14ga (1.9mm), with customization possible.
Q:What is the hole pattern specification?
A:
Holes are 7/16' in diameter with a center distance of 1' on all four sides.
Send Inquiry
*To:
Qingdao Wanrunda Imp and Exp Co., Ltd.
Qingdao Wanrunda Imp and Exp Co., Ltd.*Content:
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