What materials are used for the steel structure?

We use Q345b Steel/Q355b Steel for the main structure and galvanized C/Z purlins, with options for high-strength steel.

Does the company provide OEM/ODM services?

Yes, we provide both OEM and ODM services, allowing for customization from designs or samples.

Where is the company located?

We are located in West Coast New District, Qingdao, China, just 30 kilometers from Qingdao Port.

Light Galvanized Steel Door Frame Steel Structure Shed

Name: Light Galvanized Steel Door Frame Steel Structure Shed
Brand: Qingdao Ruigang Steel Structure Co., Ltd.
SKU: 1957890505

Shandong, ChinaQingdao Ruigang Steel Structure Co., Ltd.

US$29.99

1,000-2,999 Square Meters

US$25.99

3,000-4,999 Square Meters

US$20.99

5,000+ Square Meters

Product profile

Customization

Available

Connection Form

Bolt Connection

Structure Type

Light Portal Frame Structure

Service

Turnkey Solution

Material Grade

Q345b Steel/Q355b Steel

Quality Control

SGS BV ISO Form-E

Door

Sliding Door or Roll up, etc.

Drawing Design

Autocad Pkpm 3D3s Tarch Tekla Structures

Purlin

Galvanized C/Z Purlin

Standard

GB, ASTM, DIN, JIS, AISI, BS

Forming

Hot-Rolled Steel

Member

Steel Column

Type of Steel for Building Structure

High-Strength Steel

Application

Steel Workshop, Steel Fabricated House

Type

H/I-Section Steel

Residential Wall Structure

PPGI Single Sheet, EPS/Rock Wool/Fiber Glass Wool

Carbon Structural Steel

Q235/Q355

Transport Package

Packaging Details: Protective Packing

Specification

Customized

Trademark

Ruigang, Carbon Structural Steel

Origin

Qingdao, China

HS Code

9406900090

Production Capacity

3000ton/Tons Per Month

Key features

Turnkey Solution: Full service covering design, manufacture, and installation of steel structures.

Customizable Structure: Offers light portal frame structures with flexible customization from samples or designs.

High-Quality Materials: Utilizes Q345b/Q355b high-strength steel and galvanized C/Z purlins for durability.

International Certifications: Holds ISO9001, ISO14001, OHSAS18001, SGS, BV, and ISO Form-E certifications.

Professional Team: 115 employees including 3 senior titles and 10 construction engineers ensure quality.

Advanced Manufacturing: Equipped with H-beam production lines, laser cutting, and CNC drilling facilities.

Flexible Payment Terms: Accepts LC, T/T, D/P, and PayPal for convenient international transactions.

Fast Lead Time: Off-season lead time within 15 workdays; peak season within one month.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamPatents Awarded

Qingdao Ruigang Steel Structure 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: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.83h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells specialized machinery spanning rubber processing, agriculture, textile equipment, shipbuilding, hardware, and construction-related products. It reports ISO 9001:2015 and ISO 14001:2015 certification, customization and ODM capabilities, recent new-product development, eight experienced R&D engineers, six production lines, and 21–30 quality-control staff. Reported lead times are one month in both peak and off-peak periods. Service offerings include installation, debugging, maintenance, repair, and training, although overseas service coverage is stated as zero countries. The supplier serves multiple export regions and has OEM experience with well-known brands. Financial stability, customer-specific case details, and complete supplier-approval controls cannot be conclusively assessed from the provided information.

Supplier typeThe supplier is a manufacturer and seller of specialized machinery, including rubber-processing, agricultural, forestry, animal-husbandry, fishery, textile, and hardware-related equipment, with additional shipbuilding and construction-related activities. Its six production lines and stated manufacturing scope support classification as a diversified machinery manufacturer rather than only a trading company.

CertificationsThe supplier explicitly reports ISO 9001:2015 and ISO 14001:2015 certificates. These provide direct evidence of quality-management and environmental-management certifications, although no certificate validity dates or scopes are provided.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, offers an available SDK, and has eight experienced R&D engineers. These are explicit indicators of product-development and design capability, though the information does not quantify R&D investment or document specific innovations.

Production capacityThe supplier reports six production lines, extensive machinery and processing equipment, one-month peak and off-peak lead times, and 21–30 quality-control staff. Finished-product inspection instructions are uniformly followed, and service-capability procedures have records; however, continuous quantity reconciliation for each batch is not performed, which is a stated manufacturing-control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.

Product Q&A

Q:What customization options are available?

We offer full customization including customization from samples, designs, minor adjustments, and flexible customization for structure type, material grade, and door types.

Q:What is the minimum order quantity?

The minimum order quantity is 1 set.

Q:What certifications does the company hold?

We have ISO9001, ISO14001, OHSAS18001, SGS, BV, and ISO Form-E certifications, along with Chinese trademark patents.

Q:What are the payment terms?

We accept LC, T/T, D/P, and PayPal.

Q:What is the lead time for production?

Off-season lead time is within 15 workdays, while peak season lead time is one month.