Guanheng is specialized on steel structure engineering since 1987.

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Product Comparison
antenna tower is in line with the stringent quality standards. The price is more favorable than other products in the industry and the cost performance is relatively high.Compared with other same kind of products, antenna tower produced by GH Steel Structure has the following advantages and features.
Application Scope
antenna tower produced by GH Steel Structure is mostly used in the following aspects.GH Steel Structure always pays attention to customers. According customers' actual needs, we could customize comprehensive and professional solutions for them.
Company Advantages
1. The design of meets modern tendency.
2. This product can last indefinitely in any weather. Special coatings added to the exterior during construction endows it with this enhanced durability.
3. This product maintains structural integrity. Any open space created by connecting and cutting multiple containers will get support beams throughout that space.
4. There is real-time monitoring for quality of in Foshan Nanhai Guanheng Steel Structure Co.,Ltd.
5. Foshan Nanhai Guanheng Steel Structure Co.,Ltd possesses the world first-class technical level and service capability.


The seamless steel pipe is usually used as the main material of the four tubes tower, which has low wind load coefficient and strong wind resistance. The main body adopts the outer flange connection, the bolt has been pulled, so it is difficult to destroy so that it can reduce the maintenance cost. The tower body has a positive triangle distribution, which accords with the physical law of triangle stability and saves steel materials,small area, reduce the cost of civil construction, convenient location. Light weight of tower, new trefoil cutting plate foundation, it reduces foundation cost. Truss structure design, convenient transportation and installation, short construction period. The tower with wind load curve design and smooth lines so it can avoid human and animal casualties. The design conforms to the national code for steel structure design and the design of tower mast structure Specification, this product is safety and reliability.scope of use: filed self-supporting tower, roof tower.

Product Parameter

OriginChinaMinimum order1set
Payment termL/C, T/TShipment termFOB, C&F, CIF
Height10 to 45meter
MaterialQ345B/A572,Minimum yield strength >=345N/mm2;  Q235B/A36,Minimum yield strength >=235N/mm2;  According to your request
ToleranceAccording to your request
Surface testHot galvanization based on the standard of the steel technical specification on ASTM A123 , or the customer’s request.
Connection ModeFlange connection
StandardISO 9001:2008, ISO14001:2005, OHSAS18001
Per Section LengthBelow 6 meters
Wind Pressure0.35-1.00 KN/m2
Hot-dip Galvanization thicknessPlating thickness less than 5mm, Zinc thickness more than 65μm, Plating thickness more than or equal 5mm, Zinc thickness more than86μm, tolerance less than 10μm
Production ProcedureOriginal material test→cutting→bending→welding(fore-and-aft )→measurement checking→flange welding→making hole→making sample→surface clean→hot-galvanization and surface preparation→painting→re-check→packing
PackingPack in plastic paper or under customer’s request
Shipment DateQuantityDelivery day
50 sets30 days

Product Details Comparison


Our Products
Each soldering seam is full,without solder slag,without solder skips,meet technical requirement.
Other factory’s products
The other factory’s products have solder slag and solder skips,hidden danger.


Our Products
Zinc thickness is:99.7μm.
Other factory’s products
If the zinc thickness is not enough, after some times, it will be rust,hidden danger.

 We are very strictly in controlling the thickness of all the parts in hot-dip galvanization,all those parts stay with corrosion for years.If the process of hot dip galvanization is not good, it is easy to be rusted and affect the safety of the tower.

Product Quality Standard

1. All the original materials and finished products should be 100% checking.

2. We already obtain the  ISO 9001:2008, ISO14001:2005 and OHSAS18001 quality and safety certificate.




Split Charging  Partial Packing  Part Remark  Loading  Shipment

Customer Thank You Letter


Company Features
1. Foshan Nanhai Guanheng Steel Structure Co.,Ltd is a professional manufacturer of .
2. We have a team specializing in product development. Their expertise enhances the planning of product optimization and process design. They effectively coordinate and implement our production.
3. GH is the life line of Foshan Nanhai Guanheng Steel Structure Co.,Ltd, so we will respect every feedback from our customers. Welcome to visit our factory! Foshan Nanhai Guanheng Steel Structure Co.,Ltd persists in the service concept of . Welcome to visit our factory! From Foshan Nanhai Guanheng Steel Structure Co.,Ltd's perspective, service is of great importance for stable development. Welcome to visit our factory!



  window awning operator

Item No.ZML2050,  window awning operator
Part namewindow awning operator
Materialzinc alloy
Finishpowder coating
Quality levelMiddle to high class
MOQ2000 pcs
Delivery30 days
Loading PortNingbo; Shanghai
Payment terms30% deposit in advance, the balance should be paid before shipment
ServiceSample & ODM/OEM
colorwhite,gray,black customized
CertificateISO 9001:2008


window awning operator



window awning operator



window awning operator




window awning operator  


window awning operator





Window Components Mfg Miami Awning Operator


1. Packing: 1pcs window awning operator into polybag + inner box + master carton.


2. Delivery time: 30-40 days after order confirmed.



3. The quoted price is valid for 30 days due to the fluctuation of raw material cost.



4. Payment Terms: TT/LC at sight



5. Samples supply: we surely provived you samples required, sample charge is decided based on the requested q'ty and your cooperation, but freight cost paid from you withou dout.




6. Samples delivery: normally will be ready within 3 working days.


Please contact our After-sales service department in time within 30days after you received the cargo.
Tel: 0086-0574-8895-2586  Time: 9:00 a.m.- 6:00 p.m. (Beijing time)
ProcessPlease provide the copy of Sales Contract and describe the problems appeared.
Problems confrimation:
Slight problem:Please send the proof to our After-Sales Department, we will reply within two days.
Serious problem: 
                          AWe will dispatch our Quality and Problems Appraisers to make a confirmation.
                          BHave a negotiation of the compensation and sign agreements
                          COur After-Sales Department will perform the duties as the agreements



GH is processed deeply with professional techniques, including drill hole, stretch bending, milling, welding, fabrication, as well as other chemical processes. It can be given away to lovers, daughters, and families as a perfect gift
In the designing stage of GH , thermodynamics and the law of heat conduction theories are taken into consideration by the designers. Made of high-end fabrics, it is skin-friendly
GH is developed after careful consideration. It is created based on the theory of maximum heat dissipation for devices by our in-house R&D department. Different cartoon images are available to satisfy different needs
The manufacturing process of GH includes profiles extruding, cutting, CNC machining, deburring, and surface treating. All of these procedures have to be inspected by the QC team to meet the highest requirements in the heat sink industry. Company names, trademarks, copyrights, logos, etc. can all be displayed through the product
The quality control of GH is conducted rigorously. It is tested in terms of its air circulation, surface treatment, as well as the most important part, thermal dissipation performance. The product is not prone to pilling
The product is widely demanded in the global market and has the potential to be applied more in the future. The high-density filling materials ensure it maintains its squeezability
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