Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun
Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun
Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun
Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun
Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun
Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun

Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun

Model
gi square pipe

Item specifics

Thickness
0.5-60mm
OD(outer diameter)
10*10mm-1200*1200mm
Grade
Gr.A/B/C,S235/275/355/420/460,A36/53/106,SS400
Surface
Galvanized
Delivery Time
7-30 Days
Standards
ASTM A500/A501,EN10219, EN10210etc
Length
0.5-24M according to client requirement
Tolerance
standard or as required
Certification
CE,LEED,BV,PHD&EPD,BC1,EN10210,EN10219,ISO9000,etc
Technique
ERW,LSAW,SEAMLESS

Review

Description

Galvanized Square Tube|Gi Square Pipe |Factory |China Tianjin| Yuantai Derun

Galvanized square tube factory China Tianjin Yuantai Derun

1.Gi Square Pipe Overview

Gi square pipe is a kind of hot dip galvanized square steel pipe.Yuantai Derun is the largest manufacturer of hot-dip galvanized square pipes in China, providing galvanized square pipes for over 6000 major projects worldwide.

2.What Material Is Gi Square Pipe？

This type of pipe is mainly made by coating a layer of zinc plating on the surface of the steel structure. That is to say, the inside of the galvanized square tube is actually a steel structure. Due to the galvanized processing on the surface of this type of pipeline, it can effectively prevent signs of corrosion or rust on the steel, thereby extending the service life of the steel structure.

3.What Are The Classifications Of Galvanized Square Tubes?

According to the amount of zinc, it can be divided into galvanized square tube and Hot dip galvanized square tube.
According to the welding process, it can be divided into seamless galvanized steel square tube and galvanized welded square pipes.

4.Galvanized Square Tube Size(Square Tube Sizes)

Size THK Length No of Piece No of Count Count per piece Count weight Piece weight Total weight
30*30 1.5 6 10 1 100 7.795 0.780 7.803
1.7 6 25 0 100 8.785 0.878 21.961
2.0 6 29 2 100 10.246 1.025 29.734
2.5 6 16 0 100 12.623 1.262 20.196
2.75 6 7 0 100 13.783 1.378 9.648
40*40 1.5 6 28 65 100 10.623 1.062 30.434
1.7 6 73 2 100 11.989 1.199 87.542
2.0 6 0 0 100 14.020 1.402 0.000
2.2 6 2 4 100 15.352 1.535 3.132
2.5 6 3 17 100 17.335 1.733 5.495
2.75 6 4 0 100 18.966 1.897 7.587
3.0 6 0 44 100 20.580 2.058 0.906
3.5 6 4 1 100 23.751 2.375 9.524
3.75 6 1 11 100 25.308 2.531 2.809
50*50 1.5 6 3 1 64 13.450 0.861 2.596
1.7 6 0 63 64 15.193 0.972 0.957
2.0 6 74 0 64 17.785 1.138 84.231
2.5 6 0 0 64 22.047 1.411 0.000
2.75 6 0 0 64 24.150 1.546 0.000
3.0 6 0 8 64 26.234 1.679 0.210
3.5 6 0 0 64 30.348 1.942 0.000
3.75 6 0 0 64 32.377 2.072 0.000
4.5 6 59 0 64 38.353 2.455 144.819
4.75 6 9 0 64 40.307 2.580 23.217
60*60 2.0 6 90 18 49 21.555 1.056 95.446
2.5 6 21 31 49 26.759 1.311 28.364
2.75 6 57 28 49 29.333 1.437 82.748
3.0 6 33 38 49 31.889 1.563 52.776
3.5 6 47 26 49 36.945 1.810 86.044
3.75 6 7 48 49 39.445 1.933 15.423
4.5 6 0 36 49 46.834 2.295 1.686
4.75 6 21 30 49 49.260 2.414 52.167
80*80 1.7 6 1 4 36 24.806 0.893 0.992
2.5 6 41 26 36 36.183 1.303 54.347
2.75 6 74 10 36 39.700 1.429 106.157
3.0 6 1 148 36 43.198 1.555 7.948
3.5 6 13 158 36 50.138 1.805 31.387
3.75 6 0 0 36 53.581 1.929 0.000
4.5 6 49 120 36 63.798 2.297 120.195
4.75 6 14 27 36 67.166 2.418 35.665
5.5 6 2 28 36 77.161 2.778 7.716
5.75 6 8 28 36 80.456 2.896 25.424
20*40 1.7 6 1 0 150 8.785 1.318 1.318
2.5 6 0 0 150 12.623 1.893 0.000
2.75 6 0 0 120 13.783 1.654 0.000
30*50 1.5 6 0 103 104 10.623 1.105 1.094
1.7 6 1 4 104 11.989 1.247 1.295
2.0 6 0 0 104 14.016 1.458 0.000
2.75 6 0 2 104 18.966 1.973 0.038
40*60 1.5 6 14 13 70 13.450 0.941 13.356
1.7 6 61 61 70 15.193 1.064 65.801
2.0 6 132 48 70 17.785 1.245 165.190
2.5 6 10 38 70 22.047 1.543 16.270
2.75 6 8 15 70 24.150 1.690 13.886
3.0 6 0 68 70 26.234 1.836 1.784
3.5 6 3 4 70 30.348 2.124 6.494
3.75 6 0 35 70 32.377 2.266 1.133
4.5 6 15 0 70 38.350 2.685 40.268
4.75 6 3 0 70 40.307 2.822 8.465
40*80 1.5 6 48 41 50 16.277 0.814 39.733
1.7 6 84 3 50 18.397 0.920 77.324
2.0 6 60 43 50 21.555 1.078 65.592
2.2 6 39 36 50 23.645 1.182 46.960
2.5 6 16 33 50 26.759 1.338 22.290
2.75 6 116 19 50 29.333 1.467 170.689
3.0 6 76 4 50 31.889 1.594 121.305
3.5 6 8 11 50 36.945 1.847 15.184
3.75 6 5 35 50 39.445 1.972 11.242
50*70 2.5 6 11 2 48 26.759 1.284 14.182
2.75 6 6 36 48 29.333 1.408 9.504
3.0 6 0 2 48 31.889 1.531 0.064
3.75 6 4 3 48 39.445 1.893 7.692
4.5 6 6 15 48 46.834 2.248 14.191
4.75 6 1 0 48 49.260 2.364 2.364
50*90 6 0 13 35 58.350 2.042 0.759
50*100 1.5 6 2 1 32 20.500 0.656 1.333
2.2 6 5 0 32 29.865 0.956 4.778
2.5 6 2 7 32 33.827 1.082 2.402
2.75 6 19 0 32 37.108 1.187 22.562
3.0 6 73 22 32 40.370 1.292 95.194
3.5 6 22 7 32 46.840 1.499 33.303
3.75 6 1 7 32 50.047 1.602 1.952
4.5 6 2 2 32 59.557 1.906 3.931
4.75 6 2 0 32 62.690 2.006 4.012
5.5 6 7 29 32 71.978 2.303 18.210
60*80 2.0 6 2 23 35 25.325 0.886 2.355
2.5 6 24 5 35 31.471 1.101 26.593
2.75 6 98 1 35 34.516 1.208 118.426
3.0 6 8 29 35 37.543 1.314 11.601
3.5 6 0 0 35 43.541 1.524 0.000
3.75 6 0 0 35 46.513 1.628 0.000
4.5 6 106 0 35 55.320 1.936 205.237
4.75 6 3 0 35 58.213 2.037 6.112
60*90 2.5 6 1 0 35 33.827 1.184 1.184
3.5 6 3 0 35 46.840 1.639 4.918
3.75 6 38 33 35 50.047 1.752 68.214
4.5 6 3 30 35 59.557 2.084 8.040
4.75 6 6 4 35 62.690 2.194 13.416
100*100*2.0 　 6 14 9 　 　 　 11.366
100*100*2.2 　 6 45 5 　 　 　 43.874
100*100*2.5 　 6 0 0 　 　 　 0
100*100*2.75 　 6 0 0 　 　 　 0
100*100*3.0 　 6 0 0 　 　 　 0
100*100*3.5 　 6 26 3 　 　 　 34.307
100*100*3.75 　 6 22 0 　 　 　 27.945
100*100*4.5 　 6 25 1 　 　 　 51.304
100*100*4.75 　 6 2 0 　 　 　 3.35
100*100*5.5 　 6 0 18 　 　 　 1.6
100*100*5.75 　 6 1 1 　 　 　 2.912
100*150*2.5 　 6 4 5 　 　 　 0
100*150*2.75 　 6 29 8 　 　 　 23.45
100*150*3.0 　 6 52 0 　 　 　 51.998
100*150*3.5 　 6 63 0 　 　 　 76.823
100*150*3.75 　 6 25 1 　 　 　 36.23
100*150*4.5 　 6 40 14 　 　 　 62.648
100*150*4.75 　 6 0 0 　 　 　 0
100*150*5.5 　 6 41 0 　 　 　 74.936
100*150*5.75 　 6 38 0 　 　 　 73.445
120*120*2.5 　 6 3 1 　 　 　 1.426
120*120*2.75 　 6 59 0 　 　 　 56.535
120*120*3.0 　 6 31 0 　 　 　 32.81
120*120*3.5 　 6 14 0 　 　 　 16.51
120*120*3.75 　 6 0 0 　 　 　 0
120*120*4.5 　 6 32 0 　 　 　 50.925
120*120*4.75 　 6 23 0 　 　 　 38.835
150*150*2.5 　 6 23 0 　 　 　 12.99
150*150*2.75 　 6 12 0 　 　 　 6.99
150*150*3.0 　 6 30 0 　 　 　 21.685
150*150*3.5 　 6 48 0 　 　 　 40.915
150*150*3.75 　 6 30 0 　 　 　 26.52
150*150*4.5 　 6 0 0 　 　 　 0
150*150*4.75 　 6 7 0 　 　 　 6.918
150*150*5.5 　 6 74 0 　 　 　 98.125
150*150*5.75 　 6 29 0 　 　 　 39.295
30*30*1.5 　 6 28 99 　 　 　 13.22
30*30*1.7 　 6 40 0 　 　 　 35.13
30*30*2.0 　 6 38 195 　 　 　 30.605
30*30*2.2 　 6 0 0 　 　 　 0
30*30*2.5 　 6 43 0 　 　 　 56.649
30*30*2.75 　 6 9 69 　 　 　 11.895
30*50*1.5 　 6 18 0 　 　 　 19.507
30*50*1.7 　 6 19 103 　 　 　 25.825
30*50*2.0 　 6 25 0 　 　 　 35.188
30*50*2.75 　 6 0 61 　 　 　 1.18
40*40*1.5 　 6 23 7 　 　 　 21.047
40*40*1.7 　 6 60 0 　 　 　 74.869
40*40*2.0 　 6 88 6 　 　 　 108.089
40*40*2.5 　 6 0 0 　 　 　 0
40*40*2.75 　 6 0 2 　 　 　 20.83
40*40*3.0 　 6 0 1 　 　 　 3.249
40*40*3.5 　 6 16 1 　 　 　 41.795
40*40*3.75 　 6 0 3 　 　 　 0
40*60*1.5 　 6 51 14 　 　 　 33.992
40*60*1.7 　 6 112 0 　 　 　 117.369
40*60*2.0 　 6 66 5 　 　 　 87.455
40*60*2.2 　 6 0 0 　 　 　 0
40*60*2.5 　 6 0 2 　 　 　 3.554
40*60*2.75 　 6 0 0 　 　 　 6.22
40*60*3.0 　 6 0 0 　 　 　 15.837
40*60*3.5 　 6 22 0 　 　 　 48.237
40*60*3.75 　 6 18 0 　 　 　 44.45
40*60*4.5 　 6 10 0 　 　 　 26.523
40*60*4.75 　 6 6 0 　 　 　 16.701
40*80*1.5 　 6 20 1 　 　 　 18.405
40*80*1.7 　 6 58 48 　 　 　 54.233
40*80*2.0 　 6 40 4 　 　 　 41.685
40*80*2.2 　 6 25 1 　 　 　 28.685
40*80*2.5 　 6 7 7 　 　 　 0
40*80*2.75 　 6 58 0 　 　 　 76.715
40*80*3.0 　 6 2 29 　 　 　 2.987
40*80*3.5 　 6 23 37 　 　 　 41.923
40*80*3.75 　 6 0 0 　 　 　 0
40*80*4.5 　 6 15 0 　 　 　 32.25
40*80*4.75 　 6 0 0 　 　 　 0
50*100*1.7 　 6 5 3 　 　 　 2.563
50*100*2.0 　 6 0 1 　 　 　 0
50*100*2.2 　 6 1 3 　 　 　 2.206
50*100*2.5 　 6 0 2 　 　 　 0
50*100*2.75 　 6 3 6 　 　 　 19.176
50*100*3.0 　 6 0 1 　 　 　 0
50*100*3.5 　 6 41 2 　 　 　 59.376
50*100*3.75 　 6 0 4 　 　 　 5.31
50*100*4.5 　 6 0 0 　 　 　 0
50*100*4.75 　 6 0 0 　 　 　 0
100*100 2.0 6 1 0 25 36.634 0.916 0.916
2.2 6 50 0 25 40.232 1.006 50.290
2.5 6 0 21 25 45.607 1.140 0.958
2.75 6 0 0 25 50.066 1.252 0.000
3.0 6 2 13 25 54.507 1.363 3.434
3.5 6 34 0 25 63.332 1.583 53.832
3.75 6 56 9 25 67.717 1.693 95.414
4.5 6 61 24 25 80.761 2.019 125.099
4.75 6 4 5 25 85.072 2.127 8.933
5.5 6 1 10 25 97.895 2.447 3.426
5.75 6 1 24 25 102.132 2.553 5.004
120*120 2.5 6 1 15 16 55.031 0.881 1.706
2.75 6 1 15 16 60.433 0.967 1.873
3.0 6 0 15 16 65.816 1.053 0.987
3.5 6 25 11 16 76.526 1.224 31.452
3.75 6 5 10 16 81.854 1.310 7.367
4.5 6 8 9 16 97.725 1.564 13.388
4.75 6 19 1 16 101.850 1.630 31.064
150*150 2.5 6 3 0 9 69.170 0.623 1.868
2.75 6 4 8 9 75.983 0.684 3.343
3.0 6 8 0 9 82.779 0.745 5.960
3.5 6 33 0 9 96.317 0.867 28.606
3.75 6 0 3 9 103.058 0.928 0.309
4.5 6 1 10 9 123.170 1.109 2.340
4.75 6 0 0 9 129.837 1.169 0.000
5.5 6 14 2 9 149.728 1.348 19.165
5.75 6 6 7 9 156.321 1.407 9.536
7.5 6 1 0 9 201.955 1.818 1.818
200*200 2.75 6 1 3 4 101.770 0.407 0.712
3.0 6 5 0 4 111.052 0.444 2.221
3.5 6 16 5 4 129.302 0.517 8.922
3.75 6 13 0 4 138.399 0.554 7.197
4.5 6 4 0 4 165.579 0.662 2.649
4.75 6 1 2 4 174.602 0.698 1.048
5.5 6 2 0 4 201.561 0.806 1.612
7.5 6 0 2 4 268.360 1.073 0.537
7.75 6 0 2 4 279.120 1.116 0.558
60*100 2.5 6 7 0 24 36.180 0.868 6.078
6 0 2 35 36.183 1.266 0.072
2.75 6 0 25 35 39.700 1.389 0.992
6 0 0 24 38.950 0.935 0.000
3.0 6 0 45 35 43.198 1.512 1.944
6 4 0 24 44.200 1.061 4.243
3.5 6 0 0 24 51.040 1.225 0.000
6 0 0 35 50.138 1.755 0.000
3.75 6 0 23 35 53.581 1.875 1.232
6 0 0 24 53.580 1.286 0.000
4.5 6 7 0 24 67.180 1.612 11.286
6 27 21 35 63.798 2.233 61.629
4.75 6 0 8 35 67.170 2.351 0.537
6 0 0 24 67.170 1.612 0.000
60*120 2.5 6 11 2 28 40.895 1.145 12.677
2.75 6 20 0 28 44.883 1.257 25.134
3.0 6 19 15 28 48.852 1.368 26.722
3.5 6 88 1 28 56.735 1.589 139.853
3.75 6 2 4 28 60.649 1.698 3.639
4.5 6 31 14 28 72.280 2.024 63.751
4.75 6 0 0 28 76.119 2.131 0.000
5.5 6 20 0 28 87.528 2.451 49.016
60*160 2.5 6 0 19 21 50.310 1.057 0.956
80*100 6 0 0 20 41.600 0.832 0.000
6 2 0 25 40.895 1.022 2.045
2.75 6 0 0 25 44.883 1.122 0.000
6 0 0 20 46.000 0.920 0.000
3.0 6 0 0 20 50.000 1.000 0.000
6 5 0 25 48.852 1.221 6.107
3.5 6 1 0 25 56.735 1.418 1.418
3.75 6 0 15 20 60.649 1.213 0.910
6 0 0 25 61.170 1.529 0.000
4.5 6 12 10 25 72.280 1.807 22.407
4.75 6 1 0 25 76.119 1.903 1.903
80*120 2.5 6 1 0 24 45.607 1.095 1.095
2.75 6 2 21 24 50.066 1.202 3.455
3.5 6 18 0 24 63.332 1.520 27.360
3.75 6 1 22 24 67.717 1.625 3.115
4.5 6 15 0 24 80.761 1.938 29.074
4.75 6 0 10 24 85.072 2.042 0.851
80*140 3.0 6 1 0 15 60.161 0.902 0.902
3.5 6 20 5 15 69.929 1.049 21.328
3.75 6 0 10 15 74.785 1.122 0.748
4.5 6 7 0 15 89.243 1.339 9.371
5.75 6 0 13 15 112.970 1.695 1.469
80*160 2.5 6 1 10 18 55.031 0.991 1.541
2.75 6 18 1 18 60.433 1.088 19.641
3.0 6 25 12 18 65.816 1.185 30.407
3.5 6 30 0 18 77.820 1.401 42.023
3.75 6 15 0 18 81.854 1.473 22.100
4.5 6 11 0 18 97.725 1.759 19.350
4.75 6 0 19 18 102.978 1.854 1.957
5.5 6 0 14 18 118.628 2.135 1.661
5.75 6 0 0 18 123.807 2.229 0.000
100*150 2.5 6 4 40 15 57.000 0.855 5.700
2.75 6 41 66 15 63.025 0.945 42.920
3.0 6 9 16 15 68.643 1.030 10.365
3.5 6 10 6 15 79.825 1.197 12.453
3.75 6 5 21 15 85.388 1.281 8.197
4.5 6 101 34 15 101.966 1.529 157.945
4.75 6 0 0 15 107.455 1.612 0.000
5.5 6 14 6 15 123.811 1.857 26.743
5.75 6 20 12 15 129.226 1.938 40.319
100*200 2.5 6 47 3 8 69.168 0.553 26.215
2.75 6 7 0 8 75.980 0.608 4.255
3.0 6 1 3 8 82.779 0.662 0.911
3.5 6 23 0 8 96.317 0.771 17.722
3.75 6 15 4 8 103.058 0.824 12.779
4.5 6 31 6 8 123.170 0.985 31.285
5.5 6 59 0 8 149.728 1.198 70.671
5.75 6 13 4 8 156.321 1.251 16.883
150*200 3.75 6 8 5 9 120.728 1.087 9.296
4.75 6 0 6 9 152.220 1.370 0.913

5.Physical Properties Of Galvanized Square Tubes

Due to different production processes and galvanizing methods, different galvanized square pipes have many different physical and chemical properties. Generally speaking, they have significant differences in strength, toughness, and mechanical properties. 
If you want to know more ,please contact us now!

6.Application Of Galvanized Square Tubes

Galvanized square tube is a type of square tube treated with a zinc layer, which can form a dense layer of quaternary crystals, effectively preventing corrosion factors from corroding. At the same time, zinc can also serve as sacrificial protection in the cut edges, scratches, and coating scratches, forming an insoluble oxide layer, thereby playing a barrier protection function and greatly improving the corrosion resistance of the square tube. And this corrosion resistance comes from the strong protective function of the barrier layer of zinc.

In fact, not only galvanized square pipes, but also many items, such as car parts, furniture hardware, and so on, will be coated with zinc. This is because zinc not only effectively prevents corrosion, but also has a beautifying effect. Moreover, the galvanizing process is becoming increasingly advanced and can be carried out through various methods such as electroplating and spraying, greatly improving production efficiency and quality.

7.Why Choose Us?

Yuantai Derun Steel Pipe Group NO.3 factory
Universal structural steel pipe service provider

12 factories, 103 production lines, 80 patented technologies, China's top 500 private enterprises and China's top 500 manufacturing industries, with an annual output of 5 million tons and a perennial spot supply of 200000 tons. China's largest square tube manufacturer.

Yuantai Derun's main products include square steel pipe, rectangular steel pipe, galvanized square tube,galvanized rectangular tube,hot-dip galvanized steel pipe, ERW steel pipe,ZMA steel pipe, large-diameter thick wall square rectangular pipe, LSAW steel pipe, spiral steel pipe, seamless steel pipe, stainless steel pipe, galvanized coil, PPGI Coil,ZMA coil and stainless steel coil.

8.Galvanized Square Tubes Details

galvanized square tubes

Pipe orifice leveling

pre galvanized square tube

Flat galvanized surface

hot dip galvanized square tube

Uniform thickness

galvanized square tube factory

High yield

galvanized steel square tube

The inner wall of the pipe shall be flat and smooth without burrs

1 inch gi square pipe price

Safe transportation in its own fleet

9.Galvanized Square Tubes Certificate

EN10210-Yuantai Derun
EPD-Yuantai Derun
JIS G3466-Yuantai Derun
PHD-Yuantai Derun Steel Pipe Group
ISO9001-Yuantai Derun Group
ISO14001-Yuantai Derun Group
BC1-Yuantai Derun Group
BV-Yuantai Derun Steel Pipe Group

10.The Forming Process Of Pre Galvanized Square Tube

11.Galvanized Square Pipe Project of Yuantai Derun Group

Beijing Daxing International Airport
AIRPORT VENUES
Black high-frequency welded pipes are indispensable in airport venue buildings，Black high-frequency welded pipes are indispensable in the airport venue buildings. This is our cooperation project Beijing Daxing International Airport
2020 Dubai World Expo venue
EXPO VENUES
2020 Dubai World Expo venue，The 2020 Dubai World Expo venue is one of the projects we participate in
Hong Kong-Zhuhai-Macao Bridge
BRIDGE CONSTRUCTION
Hong Kong-Zhuhai-Macao Bridge，Our products are involved in the construction of bridges. It is a bridge and tunnel project connecting Hong Kong, Zhuhai, Guangdong and Macao in China. 
SINGAPORE GOOGLE BUILDING
BUILDING CONSTRUCTION
SINGAPORE GOOGLE BUILDING，From 2018 to 2019, we provided steel pipes with hollow section profiles for the construction of Google building in Singapore
million feidan land improvement project in Egypt
GREENHOUSE CONSTRUCTION
From 2017 to 2018, we provided 75000 tons of steel pipe products for the green house of the million feidan land improvement project in Egypt.
CBD business district buildings in Cairo Egypt
CBD business district building
From 2019 to 2020, we provided our steel pipe products for the building development of CBD business district buildings in Cairo, Egypt
National Grand Theatre
THEATER CONSTRUCTION
Located in the west of Tiananmen Square in central Beijing, the National Grand Theatre is the largest theater complex in Asia.
Dubai Hill high-end villa construction projec
High grade villa building
In 2018, we provided steel pipe products for Dubai Hill high-end villa construction project
12.Packaging And Shipping of Galvanized Square Tube
Packaging And Shipping of Galvanized Square Tube

Packaging And Shipping

Unless there is a special explanation, we provide each of our customers with comprehensive consideration before product transportation. Firstly, in order to reduce oxidation, we will oil or paint the steel pipe products. Secondly, whether it is packaged or bulk cargo customers, we will wrap the products to prevent damage in the middle. Thirdly, we use our own fleet for transportation, And track and inspect the goods in the whole process to ensure that the products arrive at the designated port accurately. Fourth, we provide each customer with a customer specialist to deal with pre-sales, in-sales and after-sales problems

13.Why choose Yuantai Derun?

1. 100% after-sales quality and quantity assurance.
2. Professional sales manager quickly reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.
6.small order accepted.
7.Brand name raw material
8.support OEM or ODM
9.21 years Manufacturing experience
10. It can manufacture steel pipes of different projects and standards in the world
11.Yuantai has a standing stock of more than 200000 tons, and the annual shipment specification is: 
10*10*0.5—1000*1000*60mm，square tube
10*15*0.5—800*1200*60mm，rectangular tube
Φ 10.3— Φ 3620mm round tube
12.Capacity of nearly 5 million tons,after the completion of the new base in Tangshan, the total production capacity will reach 10 million tons.

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EN10219 S460NH square hollow section sizes 10×10-1000×1000mm

EN10219 S460NH square hollow section sizes 10×10-1000×1000mm

Model : gi square pipe

Square metal box section en10219 s235jrh | hot finished

Square metal box section en10219 s235jrh | hot finished

Model : gi square pipe

Square Tube factory YuantaiDerun(accept oem obm odm)

Square Tube factory YuantaiDerun(accept oem obm odm)

Model : gi square pipe

square steel hollow section factory

square steel hollow section factory

Model : gi square pipe

EN10219 S275NLH shs square section steel for structure black steel pipe manufacturer

EN10219 S275NLH shs square section steel for structure black steel pipe manufacturer

Model : gi square pipe

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