The brief introduction zbout our company:
1. We are one of the most professional structural steel manufacturers and suppliers in Qingdao, China.
2. We can supply all kinds of steel structures, steel building, metal building, modular house, steel frame for warehouse, workshop, garage etc, steel beams, other riveting and welding parts.
3. We can also make and develop new parts according to customers' drawings and detailed dimensions.
4. 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.
5. Our philosophy: Building one project means setting up one monument!
Specifications
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
10)Surface:
Painted or hot dip galvanized
11)Packing:
Main steel frame without packing load in 40'OT, roof and wall panel load in 40'HQ. (It's also decided by customkers)
China Standard:
W18X35 H450X160X8X12
W21X55 H530X210X10X14
W24X68 H600X230X12X16
W16X26 H400X140X8X10
W14X132 H380X380X18X26
W14X22 H350X140X6X10
W10X20 H260X150X6X10
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.
