Qingdao Liangta Steel Structure Co., Ltd
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High Voltage Transmission Towers , High Tension Overhead Line Single Circuit Tower
1. Production decription
we are professional manufacturer of transmission towers used in high voltage AC and DC systems .
Qingdao Liangta Steel Structure Co., Ltd. ,established in year 2009,is a leading professional manufacturer in the field of transmission steel towers (the voltage up to 1000kv), telecommunication towers, monopoles, substation structures and rooftop towers. We also supply steel profile products as per customers 'requirement.
The factory located in Jiaozhou bay of Qingdao, covered an area of over 60,000 square meters with an annual production capacity 40,000 tons.
Location:
Less than one hour drive from Qingdao International Airport, 1 hour drive from Qingdao sea port.
• Qualification Certificates:
• - Environmental Management System Certificate: ISO14001:2015
• - Quality Management Systems Certificate: ISO9001:2015
• - Established Occupational Health and Safety Management Systems Certificate: OHSAS 18001:2007
Type test :
ISO and SGS certificate
Material used for transmission towers :
| Structure Steel | ||
| High Tensile Steel | Mild Steel | |
| Grade | GB1591: Q355B | GB700: Q235B, |
| EN10025: S355JR | EN10025: S235JR, | |
| ASTM A572 Gr50 | ASTM A36 | |
| Tension strength (Mpa) | 470~630 Mpa | 360~510 Mpa |
| Yield strength (t≤16mm) (Mpa) | 355 Mpa | 235 Mpa |
| Elongation (%) | 20 | 24 |
2. Product capacity
We have 5 auto production line for electric angle steel towers Manufacturing,We can supply 3000 tons angle steel tower
every month .Else we have enogh site for installing more production line if needed.
We also have plasma cutting machine ,14m bending machine and auto welding machines for pole towers .
3. Technical support
Our engineer and drawer has lots of designing ,lofting experience of lattice steel towers .
Which we can supply a overall solution of all the towers .
| Service you can get from our engineer | tower design,tower lofting ,tower weight calculation and loading plans |
| Software they used | TTA,STWXP,TMA,LMA,Daoheng |
4. Quality control
We have very strict quality control in every steel towers .
Material incoming control:chemical and physical test
Zinc coating thinknes inspection
We usually has two ways of trial assembly for lattice steel towers : trial assembly before galvanzation
and after galvanization.
6. Hot dip galvanization and painting
7. Package and delivery
Package we usually do as our clients requirment .Usually for angle steel towers,We use steel wire to make it into bundle and use special material to protect the Zinc.
8. Product catalogue: