Material
Applied to the material of general-purpose steel GB/T1591-2008, Q235, Q345, Q420, Q460 used in China.
China-GB | America-ASTM | Equivalent |
Q235 | Grade D | SS400,S235JO |
Q345 | Grade50[345] | S355JR |
Q420 | Grade60[415] | S420NL |
Q460 | Grade65[450] | S460NL |
Inspection
To make sure the steel pole quality, we have professional technicists to inspect the poles before delivery. We have Lab Test, Workload Test, Steel thick Test, Galvanization thick Test, etc.
Production Process
Our factory owns advanced production lines and machines including bending calibration machine, hydraulic plate shears machine, shears machine, slitting machine, 208T hydraulic straightener, etc. All the purpose is to produce good quality steel poles.
The fabrication process as cutting plate, bending, forming, automatic welding, drill holes, quality checked before galvanized, hot dip galvanized and powder coating, finally quality checked according to client's requirement.
Â
Passed the performance testing from the Electric Power Ministy of China
1)Steel materials conform to ASTM A36 with Q235(S235,SS400),Q345(S355JR), Q460,etc
2)Welding: Welding complies with CSA and AWS, AWS D1.1 standard.
         The welders have got corresponding certificate after testing and inspection.
3)Finish: Hot-dip galvanized in accordance with ASTM A123.
4)Pole Height: All available
5)Pole shape: Conical, Round, Polygonal---Octagonal, Dodecagonal, Hexadecagonal, etc
6)Type: Straight Pole ,Tensile Pole ,Turn Pole (Double-loop corner pole, Single or double             loops/circuit pole, single or double tensile/terminal/straight pole, etc)
7)Surface hot-dip-galvanized & painting
8)Resistant: against earthquake of 8.8 grade. Wind speed as design.
9) Quality Standard: ISO9001:2000,AAA credit rating
10)Easy install and maintenance
11) Packages: Normally covered by sack or as customer's requirement.
12) Voltage:10-550KV
High quality 5.1 CH Tower Speaker , to give you a very good sound,you can connect mobile, mobile speaker.
All Verified 5 1 tower speaker suppliers & 5 1 tower speaker, at Sunday, you can enjoy the music at home very well, the 5.1 CH Tower Speaker With Mic, singe some pop song with you friend, Multimedia Speaker With Mic Input have more choose for your family.
5.1 CH Tower speaker& Mobile Speakers & Multimedia Speaker with mic input With Bluetooth, 1. Power (RMS): 80W + 15W*5
2. Driver units: 8"subwoofer*1 + 3"*5
3. USB/SD slot, Digital FM radio
4. Full-function remote control
5. Blue LED digital display
6.Karaoke function(optional)
7. Subwoofer size: W260*D410*H432(mm)
8. Satellite size: 1190(mm)
9. Package 1: W460*D320*H500(mm )
10. Package 2: W1293*D360*H165(mm )
11. 40'HQ qty: 465 sets
5.1Ch Tower Speaker,Mobile Speakers,Multimedia Speaker With Mic Input,Speaker With Mic
Guangzhou J.SUN Electronics Co., Ltd. , http://www.jsunaudio.com