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structural steel fabrication services Direct from Factory
GAOERJI provide one-stop steel structure manufacturing services from deep design, high-precision processing to global distribution, with 18 years of industry experience to ensure the safety of the project structure and the best cost. GAOERJI are the real source manufacturers, with independent production base and a full set of automated processing equipment, eliminating middlemen links, to provide you with highly competitive ex-factory prices and faster delivery speed.
Q345B or Q235B carbon steel
المواد
Hot dip zinc layer thickness up to 85 microns
معالجة السطح
Compliant with ISO 9001 and AWS specifications
Manufacturing standards
component size tolerance control within 1mm
Machining accuracy
maximum span up to 36 meters
Single span range
high-strength bolt connection or factory welding
طريقة الاتصال
the design life of the main body of the structure is 50 years.
عمر الخدمة
منتجاتنا
Structural steel fabrication services is mainly used in industrial warehouses, multi-storey office buildings, heavy equipment frames and pedestrian overpasses.
structural steel fabrication services characteristics
High-precision Tekla modeling to avoid construction conflicts
The Tekla Structures is used for three-dimensional in-depth design to ensure that the accuracy of each bolt hole and connecting plate reaches 0.5mm, which reduces the error rate of on-site installation by more than 90% and significantly shortens the construction period.
automated multi cnc cutting process
The steel plate is processed by a numerical control multi-head cutting machine, and the edge flatness deviation is controlled within 1mm, which ensures the tightness of the subsequent welded joints and improves the bearing stability and seismic performance of the overall structure.
Hot-dip galvanizing process to achieve long-term corrosion protection
All structural parts are hot-dip galvanized after pickling. The zinc layer has uniform thickness and strong adhesion, which can resist salt spray and humid environment erosion and extend the maintenance period to more than 20 years.
Accelerated delivery of standardized module manufacturing
Relying on 6 professional production lines in the factory, the standardization and modular processing of components are realized, with stable daily production, shortening the delivery cycle by about 30% compared with the traditional processing method, and meeting the urgent project progress.
The whole process of ultrasonic nondestructive testing
100% ultrasonic flaw detection (UT) is carried out on the key stressed welds to ensure that there is no slag inclusion, pores or cracks inside, and the welding quality level reaches the first-class standard to ensure the construction safety under extreme loads.
Customized logistics solutions reduce transportation losses
According to the packing scheme of container size optimization components, special steel brackets are used to fix the slender parts, effectively preventing deformation and coating wear during shipping, and ensuring that the goods are loaded upon arrival.
Structural steel fabrication services detailed parameter table
| Attribute Name | المواصفات والمعايير الفنية |
| Main material specifications | H-beams, square tubes, round tubes, angle steel, channel steel |
| درجة الفولاذ | GB Q345B, ASTM A572 Grade 50, EN10025 S355JR |
| Welding technology | CO2 gas shielded welding, submerged arc welding |
| Weld grade | Grade I or II load-bearing welds conform to international testing standards. |
| Rust removal grade | Sandblasting rust removal achieves Sa 2.5 level. |
| Coating system | Epoxy zinc-rich primer + micaceous iron oxide intermediate coat + polyurethane topcoat |
| Maximum length of component | Individual components can reach 11.8 meters in length (suitable for 40-foot containers). |
| Quality Control Manual | Provide material specifications, flaw detection report, and paint thickness measurement report. |
structural steel fabrication services contrast point
The steel structure processing service provided by GAOERJI not only focuses on the strength of the component itself, but also emphasizes the convenience of system integration and installation. Compared with the same type of products, the GAOERJI has a more complete supply chain control, from raw material collection to finished product packing, every link is monitored by a digital system to ensure extremely high delivery consistency.
Solve the problem of on-site opening and rework
GAOERJI pre-punch through high-precision CNC machine tools to ensure that all connection parts are perfectly matched, avoiding the expensive cost of re-welding or drilling on-site by engineering contractors.
Solve the risk of non-conformity of overseas project standards
the GAOERJI strictly implements the international general technical specifications and provides complete English quality certification documents, thus solving the compliance trouble caused by the lack of data when the project manager faces the acceptance by the local government.
Solve the deepening pressure of complex structural design
For complex multi-layer frames or special towers, a team of senior engineers is GAOERJI to assist in node optimization, solving the problem that the customer’s design is difficult to land or uses too much steel in actual processing.
structural steel fabrication services for the crowd
EPC Engineering General Contractor
Looking for manufacturing partners with international delivery experience, suppliers are required to provide all-round support from drawing deepening to installation guidance to ensure that large-scale industrial projects are delivered on time.
Industrial building developers
Investors who focus on building standard factories, modern warehouses or logistics parks, focusing on building longevity, fire rating and low post-maintenance costs.
Municipal infrastructure project side
The organization responsible for the construction of urban pedestrian bridges, pipe gallery supports or traffic indicator towers has extremely high requirements for the weather resistance, aesthetics and public safety standards of steel structures.
Managers of energy and power enterprises
In the construction of substations, gas station canopies or wind power facilities, customized steel structures with strong corrosion resistance, stable structure and adaptability to extreme geographical environments are needed.
structural steel fabrication services instructions
Scheme confirmation and detailed design
the user needs to provide preliminary architectural drawings, and the GAOERJI engineer will deepen the three-dimensional modeling and submit it to the customer to confirm the final connection node and material details.
Foundation embedment and site preparation
during the factory processing, the user should embed the anchor bolts according to the foundation plan provided by us to ensure that the horizontal position and spacing meet the installation accuracy.
Unloading and sorting
After the components arrive at the site, please check against the packing list. The components shall be classified and stacked according to the hoisting sequence to avoid scratches on the surface coating caused by repeated handling.
Standardized hoisting and fastening
hoisting shall be carried out according to the installation number sequence, and verticality correction shall be carried out after preliminary fixation. Finalize all high-strength bolts with a torque wrench.
المصنع والشهادة
الشهادة
الأسئلة الشائعة والاتصال بنا
مرحباً بك في صفحة الأسئلة الشائعة. لقد قمنا بتجميع الإجابات على الأسئلة الشائعة التي قد تكون لديك، آملين أن نقدم لك حلولاً واضحة وسريعة. إذا لم تتمكن من العثور على المعلومات التي تحتاجها هنا، فلا تتردد في الاتصال بفريق دعم العملاء لدينا.
What international standards do your processing services meet?
Our manufacturing process strictly follows the ISO 9001 quality management system, and welding standards can be implemented according to customer requirements with reference to AWS D1.1 or EU EN 1090.
How to ensure that the steel structure in the shipping process does not rust?
Answer: We will carry out high-standard surface sandblasting treatment, spray multi-layer anti-corrosion coating or hot-dip galvanizing, and finally use waterproof packaging materials to wrap and protect key parts.
Can I customize non-standard size steel components?
Answer: Yes, it is possible. We have a professional design team that can provide fully customized design and processing solutions according to your specific load requirements, space constraints and functional requirements.
Can you provide on-site installation service?
Answer: We mainly provide processing and distribution services, but we can send senior technical engineers to the site for installation technical guidance according to customer needs, and provide a full set of installation instructions.
What is the typical production cycle?
A: The production cycle depends on the order size. Usually 1000 square meters of simple warehouse structure, after confirming the design drawings, the manufacturing cycle is about 20 to 30 days.
How to ensure the authenticity of raw materials?
Each batch of raw materials are purchased from large domestic steel mills with complete material certificates. Before storage, we will conduct random inspection of chemical composition and mechanical properties to ensure compliance with design requirements.
لا تتردد في الاتصال بنا. ونحن نتطلع إلى الاستماع إليكم.
structural steel fabrication services Direct from Factory
GAOERJI provide one-stop steel structure manufacturing services from deep design, high-precision processing to global distribution, with 18 years of industry experience to ensure the safety of the project structure and the best cost. GAOERJI are the real source manufacturers, with independent production base and a full set of automated processing equipment, eliminating middlemen links, to provide you with highly competitive ex-factory prices and faster delivery speed.
Q345B or Q235B carbon steel
المواد
Hot dip zinc layer thickness up to 85 microns
معالجة السطح
Compliant with ISO 9001 and AWS specifications
Manufacturing standards
structural steel fabrication services characteristics
High-precision Tekla modeling to avoid construction conflicts
The Tekla Structures is used for three-dimensional in-depth design to ensure that the accuracy of each bolt hole and connecting plate reaches 0.5mm, which reduces the error rate of on-site installation by more than 90% and significantly shortens the construction period.
automated multi cnc cutting process
The steel plate is processed by a numerical control multi-head cutting machine, and the edge flatness deviation is controlled within 1mm, which ensures the tightness of the subsequent welded joints and improves the bearing stability and seismic performance of the overall structure.
Hot-dip galvanizing process to achieve long-term corrosion protection
All structural parts are hot-dip galvanized after pickling. The zinc layer has uniform thickness and strong adhesion, which can resist salt spray and humid environment erosion and extend the maintenance period to more than 20 years.
Accelerated delivery of standardized module manufacturing
Relying on 6 professional production lines in the factory, the standardization and modular processing of components are realized, with stable daily production, shortening the delivery cycle by about 30% compared with the traditional processing method, and meeting the urgent project progress.
The whole process of ultrasonic nondestructive testing
100% ultrasonic flaw detection (UT) is carried out on the key stressed welds to ensure that there is no slag inclusion, pores or cracks inside, and the welding quality level reaches the first-class standard to ensure the construction safety under extreme loads.
Customized logistics solutions reduce transportation losses
According to the packing scheme of container size optimization components, special steel brackets are used to fix the slender parts, effectively preventing deformation and coating wear during shipping, and ensuring that the goods are loaded upon arrival.
Structural steel fabrication services detailed parameter table
| Attribute Name | المواصفات والمعايير الفنية |
| Main material specifications | H-beams, square tubes, round tubes, angle steel, channel steel |
| درجة الفولاذ | GB Q345B, ASTM A572 Grade 50, EN10025 S355JR |
| Welding technology | CO2 gas shielded welding, submerged arc welding |
| Weld grade | Grade I or II load-bearing welds conform to international testing standards. |
| Rust removal grade | Sandblasting rust removal achieves Sa 2.5 level. |
| Coating system | Epoxy zinc-rich primer + micaceous iron oxide intermediate coat + polyurethane topcoat |
| Maximum length of component | Individual components can reach 11.8 meters in length (suitable for 40-foot containers). |
| Quality Control Manual | Provide material specifications, flaw detection report, and paint thickness measurement report. |
structural steel fabrication services contrast point
Solve the problem of on-site opening and rework
GAOERJI pre-punch through high-precision CNC machine tools to ensure that all connection parts are perfectly matched, avoiding the expensive cost of re-welding or drilling on-site by engineering contractors.Solve the risk of non-conformity of overseas project standards
the GAOERJI strictly implements the international general technical specifications and provides complete English quality certification documents, thus solving the compliance trouble caused by the lack of data when the project manager faces the acceptance by the local government.Solve the deepening pressure of complex structural design
For complex multi-layer frames or special towers, a team of senior engineers is GAOERJI to assist in node optimization, solving the problem that the customer’s design is difficult to land or uses too much steel in actual processing.structural steel fabrication services for the crowd
EPC Engineering General Contractor
Looking for manufacturing partners with international delivery experience, suppliers are required to provide all-round support from drawing deepening to installation guidance to ensure that large-scale industrial projects are delivered on time.
Industrial building developers
Investors who focus on building standard factories, modern warehouses or logistics parks, focusing on building longevity, fire rating and low post-maintenance costs.
Municipal infrastructure project side
The organization responsible for the construction of urban pedestrian bridges, pipe gallery supports or traffic indicator towers has extremely high requirements for the weather resistance, aesthetics and public safety standards of steel structures.
Managers of energy and power enterprises
In the construction of substations, gas station canopies or wind power facilities, customized steel structures with strong corrosion resistance, stable structure and adaptability to extreme geographical environments are needed.
structural steel fabrication services instructions
Scheme confirmation and detailed design
the user needs to provide preliminary architectural drawings, and the GAOERJI engineer will deepen the three-dimensional modeling and submit it to the customer to confirm the final connection node and material details.
Foundation embedment and site preparation
during the factory processing, the user should embed the anchor bolts according to the foundation plan provided by us to ensure that the horizontal position and spacing meet the installation accuracy.
Unloading and sorting
After the components arrive at the site, please check against the packing list. The components shall be classified and stacked according to the hoisting sequence to avoid scratches on the surface coating caused by repeated handling.
Standardized hoisting and fastening
hoisting shall be carried out according to the installation number sequence, and verticality correction shall be carried out after preliminary fixation. Finalize all high-strength bolts with a torque wrench.
اعرفنا وتواصل معنا
احصل على اقتباس اليوم.
الأسئلة الشائعة
What international standards do your processing services meet?
Our manufacturing process strictly follows the ISO 9001 quality management system, and welding standards can be implemented according to customer requirements with reference to AWS D1.1 or EU EN 1090.
How to ensure that the steel structure in the shipping process does not rust?
Answer: We will carry out high-standard surface sandblasting treatment, spray multi-layer anti-corrosion coating or hot-dip galvanizing, and finally use waterproof packaging materials to wrap and protect key parts.
Can I customize non-standard size steel components?
Answer: Yes, it is possible. We have a professional design team that can provide fully customized design and processing solutions according to your specific load requirements, space constraints and functional requirements.
Can you provide on-site installation service?
Answer: We mainly provide processing and distribution services, but we can send senior technical engineers to the site for installation technical guidance according to customer needs, and provide a full set of installation instructions.
What is the typical production cycle?
A: The production cycle depends on the order size. Usually 1000 square meters of simple warehouse structure, after confirming the design drawings, the manufacturing cycle is about 20 to 30 days.
How to ensure the authenticity of raw materials?
Each batch of raw materials are purchased from large domestic steel mills with complete material certificates. Before storage, we will conduct random inspection of chemical composition and mechanical properties to ensure compliance with design requirements.
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