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Quick Details

  • Place of Origin: China, Jiangsu, China (Mainland)
  • Brand Name: yinhe
  • Model Number: hot dip galvanized mid-hinged steel mast designer and manufactuer
  • Material: Steel
  • Type: Round
  • Application: power transmission
  • Galvanization: hot dip
  • Color: balck or white
  • Welding standard: AWS D 1.1
  • Galvanization standard: ASTMA 123
  • Warranty: 15 years
  • Manucactury capacity: 300 pieces per day
  • Shape: tapor or polygon
  • tolerance: +/-2%
  • type: hot dip galvanized mid-hinged steel mast designer and manufactuer

Packaging & Delivery

Packaging Details: Our poles as normal cover by Mat or straw bale at the top and bottom ,anyway also can following by client required , each 40HC or OT can loading how many pcs will calculation base on the client actually specification and data
Delivery Detail: as per customers request,usually two weeks.

hot dip galvanized mid-hinged steel mast designer and manufactuer: 


From 20 m to 50 m

Suit for

Airport ,seaport,plaza,stadium ,square,highway,street way etc


Conoid ,Multi-pyramidal,Columniform,polygonal or conical


Usually   Q345B/A572,minimum yield strength>=345n/mm2

              Q235B/A36,minimum yield strength>=235n/mm2

As well as Hot rolled coil from Q460 ,ASTM573 GR65, GR50 ,SS400, SS490, to ST52-

Torlance of dimenstion

+- 2%


400 W- 5000 W

Light panel

Various figure of slection ,material with hot dip galvanization steel frame ,stainless steel ,special aluminum plate

Light Extension

Up to 30 000 m²

Lamp &Luminaire

Projector generally to be applied with safety grade IP65

Luminaire with high pressure sodium lamp of long lift and high lighting efficiency ,or metal halide lamp with high CRI

Lifting system

Lifter fixed in the inner of the pole with lifting speed of 3~5 meter per minute

Euqiped e;ectromagnetism brake and break –proof device,manual opeation applied under power cut

Electric appliance control device

Electric appliance box to be be the holde of the pole ,lifting operation could be 5 meter away from the pole through wire

Time control and light control could be equipped to realize full-load lighting mode and part lighitng mode

Surface treatment

Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required.

Joint of Poles

Insert mode,innerflange mode,face to face joint mode .

Design of pole

Against earthquake of 8 grade

Wind Speed

160 Km/Hour

Minimum yield strength

355 mpa

Minimum ultimate tensile strength

490 mpa

Max ultimate tensile strength

620 mpa


ISO 9001

Length of per section

Within 14m once forming without slip joint


We has past flaw testing.Internal and external double welding makes the welding beautiful in shape

Welding Standard :AWS ( American Welding Society ) D 1.1


1 mm to 30 mm

Production Process

Rew material test → Cuttingj →Molding or bending →Welidng (longitudinal )→Dimension verify →Flange welding →Hole drilling →Calibration → Deburr→Galvanization or powder coating ,painting →Recalibration →Thread →Packages


Our poles as normal cover by Mat or straw bale at the top and bottom ,anyway also can following by client required , each 40HC or OT can loading how many pcs will calculation base on the client actually specification and data.












































































 Winter Olympic Games:

All the high mast pole of 2014 Sochi Winter Olympic Games are supplied by us.


lifting system:

Our lifting system is the most advanced in China

1.Latch barrel with inner mounting bracket locker is mounted to an underside of the mast-top pulley assembly. Furthermore, all steel cables are not exposed and more effectively protected.

2.Latching mechanism latched on steering arms is able to release strain on steel cables when in the operation position. The process of latching on and off is stable and without vibration.

3.The bumper is designed on the luminary mounting bracket for avoiding direct damage between mast-top assembly and the raising luminary mounting bracket.

4.The leveling device for luminary support bracket is easy to operate and convenient to adjust level.

5.Special designed red-flag indicator has obvious visual effects and reflects actual situation of latching operation.


Production details:

Before shipment ,we have a final inspector manager to check the products on every detail and component to make sure it all meet the drawing.


Galvanization Test:

In every production procedure ,we have our isnpector around to check whether it was done accrodingly with the drawing .


Production Process:

As an BV ,ISO ,SGS approved supplier in China ,we have more than 20 years produce and export steel pole ,and we can assure the pole we offerd is of sound quality which made from qualified material with our professional workers and advance equipment .


Material Test:

1.All of our material are purchased from fanous mill factory to assure the quality.

2.A mill certificate issused by the mill factory with stamp and signaturer must be provided beofere unload the material in our factory ,otherwise we have our reason to refuse the material .

3.Before put into production ,all the material must pass the chemical and physical analysis to make sure that they have meet the requested strength and component .



Our poles as normal cover by Mat or straw bale at the top and bottom ,anyway also can following by client required , each 40HC or OT can loading how many pcs will calculation base on the client actually specification and data.


Trade Terms:

1. Payment:(1)Telegraphic Transfer(30% advance payment, balance before shipment)

(2)Telegraphic Transfer(30% advance payment, balance against copy of documents)

(3)Letter of Credit: at sight

2. Lead Time: 2 weeks after confirmed order

3. Delivery way: by sea

Our Service:

1. Reply your inquiry in 24 working hours.

2. Experienced staffs answer all your questions in fluent English.

3. Customized design is available. UEM&UBM are welcomed.

4. Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and staff.

5. Special discount and protection of sales are provided to our distributor.

6. Professional factory : We are manufacturer, specializing in producing all kinds of steel poles for more than 20 years, competitive with good quantity.

7 Sample: We can send out sample for test in one week if the order quantity is big enough. But the shipment charges is usually paid by your side, the charges will be rebounded when we have formal order.

8. As an honest seller, we always use superior raw material, advanced machines, skilled technicians to ensure our products to be finished in high quality and stable feature. Welcome to contact us or visit our company.

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Transaction History of the Supplier

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China (Mainland) | Manufacturer, Trading Company
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12 Transactions 640,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.