We are one of the most professional structural steel manufacturers and suppliers in Qingdao, China. We own the first-grade profesional qualifications for contracting steel structure and third-grade civil construction projects and it was the first in this sector to otain the ISO9001: 2000 qualit system certification.
Now we are the Member of China Steel Structure Association, China Construction Metal Structure Association, Construction Science and Technology Association of Shandong Province in China, Construction Safety Equipment Management Association of Qingdao City in China. Every year we are always awarded with the Certificate of Abiding by the Contract and Paying Attention to High Reputation of Qingdao City in China.
Our steel structure warehouses, steel structure workshops, steel structure factories, steel structure sheds are not only sold all over the country, but also exported to the USA, Australia, United Kingdom, UAE, Iraq, Tanzania, Zambia, Ghana, and so on.
Just for example, we have done 13 steel structure projects just in Ghana of Africa during two and half a year until now. We have great experience in exporting international market during these years.
We owns the First-grade Professional Qualification for contracting the steel structure project in China, which is the highest level in the China Steel Structure Construction Engineering Field. There are just a few steel structure companies which can obtain this great reputation in China! This is the best proof to the first-class quality grade with our steel structure product!
| 1. size |
| width X length X eave height, roof slope |
| 2. type |
| single span, double-span, Multi-span, single floor, two story or muti-storey |
| 3. base |
| cement and steel foundation bolts |
| 4. column and beam |
| material Q345 or Q235 steel |
| 5. bracing |
| X or V or other type bracing made from angle, round pipe etc |
| 6. c or z purlin |
| size from C120~C320, Z100~Z200 |
| 7. roof and wall panel |
| single colorfull corrugated steel sheet, sandwich panel with EPS, ROCK WOOL, PU etc insulation |
| 8. Window and door |
| PVC or Aluminium Alloy windows, roll up door or sandwich panel sliding doors, |
| 9. accessories: |
| semi-transparent skylight belts, Ventilators, down pipe, out gutter etc |
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.
