We put design, manufacturing and installment together to satisfy buyer's requirement. What we can promise is not only the quality but also the service and the beautiful appearance. The picture is only for your reference, if you have any demand, pls feel free to contact us. We will try our best to satisfy your requirement.
Light steel structure frame(requirements as concrete ground base and so on are on your request)Characteristic & Virtue:
1. Convenient to take apart and install
2. Good-looking, diversified color options, fashionable and unique
3. Simple, convenient and fast installation
4. Low repair and maintenance costs
5. High-strength, windproof and reliable load-bearing steel structures
6. Excellent water resistance and drainage
7. Highly anticorrosion and dustproof
A. The main structure( welding H section steel)
1. Steel material: Q345, Q235.
2. Welding type: Auto- Submerged arc Welding and CO2 shielded welding.
3. Derusting Grade: 1 grade in China.
4. Preservative treatment: Two layer primer and two layer
Paint light gray (total thickness: 100-120um).
B. The secondary structure( C purlin, steel bracing, tie- bar, knee- brace, support for steel beam and column, etc)
1. Steel material: Q235
2. Method of productionCutting, forming, drilling, CO2 welding, de- rusting, painting, etc
3. Derusting Grade: 1 grade in China.
4. Preservative treatment: Two layer primer and two layer epoxy paint light gray (total thickness: 100-120um).
C. EPS sandwich panel for Roof.
1. Panel type: 970, 950
2. Galvanized steel sheet: 60-70G/M2
3. Outside (corrugated steel sheet): 0.3, 0.4, 0.5, 0.6mm
4. Inside (corrugated steel sheet): 0.3, 0.4, 0.5, 0.6mm
5. Density of EPS: 8kg-12kg/m2
6. Color of steel sheet: Sea blue, white grey and bright red.
Looking forward to doing more service for you!Brand name | LONGTAI Brand Prefabricated Industrial Warehouse/Workshops/Metal Building |
Model | 1.Single slope, Double slope, Multi-slope. |
2.Single span, Double-span, Multi-span, Single floor, Double floors. |
Column and beam | 1.Material Q345(S355JR)or Q235(S235JR) steel. |
2.All bolts connecting. |
3.Straight cross-section or Variable cross-section. |
Surface | Hot-dip galvanized or painted. |
Roof and wall panel | 1.EPS ,PU ,Rockwool sandwich panel. |
2.Single colorful corrugated steel sheet0.326~0.8mm thick, YX28-205-820(820mm wide). |
3.Sandwich panel with EPS, ROCK WOOL, PU etc insulation thickness around 50mm~150mm, 950mm or 960mm width. |
Brace | X or V as well as other type bracing made from angle, round pipe etc. |
Accessories | Semi-transparent skylight belts, Ventilators, down pipe, outer gutter etc. |
Window | PVC or Aluminum Alloy. |
C or Z purlin | Size from C120~C320, Z100~Z200. |
Door | Sliding or Rolling up door. |
Carrying capacity | 1.Resisting winds and seismic impacts. |
2.Bearing heavy snows. |
Drawing | 1.Making the design and quotation according to your requirements very soon. |
2.Making the quotation according to your drawings. |
3.Giving you the satisfying opinion to your project. |
Certificate | ISO9001:2000 , AWS certified welder passport , SGS , BV. |
Qingdao Longtai Steel Construction Engineering Co., Ltd. is a professional company with large scale, specializing in steel structure designing, production and installation. Our parent company, with a floor space of 24000 square meters, is located in Licang Industrial Zone of Qingdao City. Our filiale, with a land area of 125300 square meters, is located in Jiangshan Industrial Zone of Laixi City.
Our products are various steel products, which are used as columns, beams, crane girders, purlines, bracings and other sections of certain steel building by a series of working procedure of welding, sand blasting and painting. To ensure high quality of all products, several advanced flow production lines and a lot of efficient and automatic equipment have been used in our workshop. Besides, each operator is quite skilled with plenty of experience. There're over 500 employees in our company, most of them are engineers and technicians.
The registered capital of our company is $1, 551, 273. We have professional qualification of grade two by special steel structure authority. We also have gained many honors, such as AA credit and ISO9001 certificate, which help to build up a best credit to our clients.
Our main business field and products are as following:
1. We could design, manufacture, and export following kinds of metal structure (light steel structure) products:
1) Metal structure series, such as Portal Steel Frame, Tower construction, Steel roof truss
2) Chain structures series, such as Flat chain, Arc chain, Curved surface chain Net-shell Construction
3) Membrane structure (Fabric structure)
4) Trussed structure
2. All kinds of prefab house, including
1) all kinds of modular house, with/without wheels under house.
2) Supplying building facilities-assembly portable house (modular house, container house) used in oil fields, oil refinery projects, building site, miner/mining
3) Prefabricated container house, with/without wheels under house
4) Prefabricated villas and prefab steel multi floor villas
We will try our best to provide our customers from both at home and abroad with the best products and service.