|
[China]
Trade Verify
Address: Da Lingtou Industrial Zone, Butou Village, Tanbu Town, Huadu District, Guangzhou, China
Contact name:Andy Su
Guangzhou Guangxin Communication Equipment Co., Ltd. |
|
Verified Suppliers
|
|
|
ISO Certified Factory of GSM Steel Lattice Mast 5G Mobile Telecom Tower
Guangzhou Guangxin Communication Equipment Co., Ltd. was founded in 2009, starting as an OEM and ODM manufactory for CHINA TOWER CORPERATION which is the largest design and supplier of communication towers and other applicable towers in China. After more than 10 years of fast growing and research, we have become one of leading manufacturers of all kinds of steel towers and poles in China.
Our Product Range
1, Galvanized steel Telecommunication lattice towers
2, Wind turbine towers, lattice masts and poles
3, Power transmission and distribution line towers and poles
4, Artificial tree or fiberglass grille shroud camouflaged antenna towers
5, Street light poles, roadway and highway lighting columns or posts
6, High mast stadium and sports field lighting towers
7, Traffic signal light, surveillance CCTV camera and sign poles, cantilievers and gantry frames
8, Other steel structures
Typical Desaign Cellular Mobile Communication Tower with 1 work platform
Category of Galvanized Steel Towers and Masts for communications:
1, Four legs lattice tower: made of angular steel plates or tubular steel tubes or pipes or both
2, Three legs lattice tower: made of angular steel plates or tubular steel tubes or pipes or both
3, Bipod and Tripod: steel tube as main post and angle plates as diagonal supports
4, Mono pole
5, Ground field towers
6, Rooftop towers
7, Artificial palm or pine tree monopole for camouflaged antenna towers
8, Monopole towers with cylindrical fiberglass grille shroud or cover for camouflaged antenna towers.
Technical Specifications of Galvanized Steel Materials and Telecom Tower
| Galvanized Steel Telecommunications Tower | ||
| 1. Material | ||
| Weldable Structural Low Carbon Steel Plates or Tubes | ||
| 2. Grade | Main structure | Braces |
| GB/T1591:Q345B | GB/T 700:Q235B | |
| ASTM A572 Gr50 | ASTM A36 | |
| EN10025: S355JR, S355J0,S355J2 | EN10025: S235JR, S235J0,S235J2 | |
| 3. Design Wind Speed | Up to 250 km/h | |
| 4. Allowable deflection | 0.5 ~1.0 degree @ operational speed | |
| 5. Tension strength | 470~630 MPa | 360~510 MPa |
| 6. Yield strength | 355 MPa | 235 MPa |
| 7. Elongation (%) | 24 | 20 |
| 8. Impact strength KV (J) | 27(20°C)---Q345B(S355JR) | 27(20°C)---Q235B(S235JR) |
| Bolts & Nuts | ||
| 9. Grade | Grade 4.8, 6.8, 8.8 | |
| 10. Standards for mechanical properties | ||
| 10.1 Bolts | ISO 898-1 | |
| 10.2 Nuts | ISO 898-2 | |
| 10.3 Washers | ISO 6507-1 | |
| 11. Standards for Dimensions | ||
| 11.1 Bolts | DIN7990, DIN931, DIN933 | |
| 11.2 Nuts | ISO4032, ISO4034 | |
| 11.3 Washers | DIN7989, DIN127B, ISO7091 | |
| Welding | ||
| 12. Method | CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) | |
| 13. Standard | AWS D1.1 | |
| Galvanizing | ||
| 14. Galvanization standard of steel sections | ISO 1461 or ASTM A123 | |
| 15. Galvanization standard of bolts and nuts | ISO 1461 or ASTM A153 | |
Basic Procedures of Building A Steel Tower
1, Site geologival investigation or survey to clasify terrain category and confirm it meets tower erection requirements
2, Design tower body and foundations
3, Test and specify the tower body and foundation by professional design and calculation software
4, Specify the tower and foundation dimensions and specifications of materials.
5, Prepare lofting and shop drawing of tower sections
6, Manufacture tower members according to the drawings and specifications.
7, Dig holes for the tower foundations and make a cement underlayer on the bottom
8, Make steel cage frames and anchorages for foundations
9, Make wooden molds for constructing concrete foundations
10, Set up grounding net with steel plates or rods around foundations.
11, Pour concrete and construct bottom blocks and pedestals
12, Dry and watering concrete foundations
13, Test the impact strength and make sure it meets the design specifications.
14, Fix tower footings to foundation pedestals and other tower members
15, Assemble tower sections and antenna brackets, ladder, rest and work platforms, lightning rod, grounding plates etc.
16, Set grouding of tower body and foundations, make sure at least 2 feet of tower must be connected with the ground net, lightning rod must be connected with grounding net through at least 2 foundations.
17, Test the straightness or verticality of tower
18, Complete if all specifications are confirmed.
4-legs Galvanized Steel Wind Trubine Tower
Questions and Answers:
1, Can I customize the towers, poles or other steel structures?
Yes, we can fabricate the towers, poles, building structures and other related products according to your designs, drawings, specifications and requirements.
2, What's your payment terms?
T/T or irrevocable documentary L/C at sight is accepted for us. The general payment arrangement is 30% advance before production and full payment before shipping by T/T, or L/C issued before production.
4, Can you guarantee the quality?
Yes. The design lifespan of our towers and poles is 50 years
5, Are you exporting to other countries and regions?
Yes, we have exported to many other countries and regions such as USA, Brazil, Chile, Saudi Arabia, Malaysia, Philippines, Macau and many more.
6, What is your delivery time?
20-60 days, depending on the order quantity.
7, How many is the MOQ?
1 set.
8, Where is your factory located?
Tanbu Town, Huadu District, Guangzhou City which is the 3rd largest city in China and the largest city in Southern China, near by Hongkong, Macau and Shenzhen.
Our Partners:
CHINA TOWER, CHINA MOBILE, CHINA TELECOM, CHINA UNION, HUAWEI, NIUSKY, DITO etc.
Manufacturing and service experience: more than 12 years
Certifications: ISO9001:2009, ISO14001, ISO45001, HI-TECH ENTERPRISE, ENGINEERING CONTRACTOR CLASS 3, AAA CREDIT etc.
