Barbed wire is a type of fencing wire constructed with sharp edges or points arranged at intervals along the strand. It is used to construct inexpensive fences and is used atop walls surrounding secured property. It is also a major feature of the fortifications in trench warfare (as a wire obstacle). A person or animal trying to pass through or over barbed wire will suffer discomfort and possibly injury. Barbed wire fencing requires only fence posts, wire, and fixing devices such as staples. It is simple to construct and quick to erect, even by an unskilled person. Barbed wire can be divided into two types by install method : beeline barbed wire and concertina barbed wire.
* Barbed wire has the feature of extremely difficult to cut and hard to climb.
* Barbed wire is very strong and reinforced with a steel coil which makes it very hard to bend, while the barbs have a piercing and gripping action.
* Barbed wire enjoys good appearance.
Types of Barbed Wire:
* Galvanized Barbed Wire
Galvanized barbed wire is used in defending of farm land, sport ground, or used together with concertina razor wire. Normally it's settled above the fence, for example chain link fence and welded fence, avoiding climbing across. Galvanized barb wire can also form a barbed wire wall with wooden sticks or iron sticks. The weaving methods are one main wire, one barbed wire; one main wire, twin barbed wire; and twin main wire, twin barbed wire.
* PVC Coated Barbed Wire
Core of PVC coated barbed wire can be galvanized iron wire
A variety of colors like green, blue, yellow, orange, gray
Packing: In coil of 25 kilos or 50 kilos , lined with PVC strips, then wrapped with P.V.C or hessian cloth
* Serves in protecting of farm land, sport ground, grass boundary, animal husbandry, dwelling house, railway, highway and so on.
* Used to construct inexpensive fence or used together with concertina razor wire to avoiding climbing across.
* Used as wall surrounding to securing property
Wire Gauge (SWG)
Barb Distance (cm)
Barb Length (cm)
Electro galvanized barbed wire;
10# x 12#
12# x 12#
12# x 14#
14# x 14#
14# x 16#
16# x 16#
16# x 18#
PVC coated barbed wire; PE barbed wire
PVC PE coating thickness:
Privacy and security have become major concerns to homeowners, especially those who live on a large amount of property. The options available to keep unwanted visitors out of a specific area include tall fences spanning for miles that usually incorporate some sort of barbed wire, electric or galvanized razor concertina wire. Razor wire makes for a highly effective method of keeping people or animals out of a given area, as evidence has shown through the use of razor wire on perimeters of prisons and zoos. Installing razor wire can be difficult and dangerous; follow a few proper instructions, and you'll complete the job with ease.
The need to prevent unauthorized access by unauthorized persons into the territory of protected sites allows for a spiral barrier (SBB) concertina in enterprises of all sectors, both as a main technical means of protection, and in conjunction with electronic means of detection.
The effectiveness and simplicity of mounting the barricades of barbed wire concertina make it possible to erect a secure physical barrier, both the permanent and temporary nature, with minimal cost.
In a residential area practiced method of mounting the barricades on top of the fence, assembly takes place in three stages:
The stipulation concertina towers on the fence, and wire mounting spiral;
Laying in a spiral-formed bracket;
The wire spiral.
Recommendations for installation:
When you install a fence on the fence, on each pillar (pillar) to install bracket to welding or nails (the distance between the brackets should be 3-4 meters, the height of a fence over a 50mm diameter of more barricades, the form and method of attachment to the fence bracket according arbitrary Construction of the fence).
Concertina wire stretched the operating position and enshrined in the arm steel wire diameter of 2mm at two points. When installing the next round of the first cycle of extreme spiral connected with the extreme spiral second spiral steel wire diameter of 2mm in two diametrically opposite field.
Razor Barbed Wire usually take inside paper outside woven bags and then compression. Sometimes also take carton box packing according to our customer's requirement.
Barbed Wire usually take carton packing and wood axletree packing. Sometimes also take other packing according to our customer's requirement.
1. The following terms and conditions govern all qualifications of prices of Shengmai products, services and materials, whether made pursuant to Internet, oral or written orders.
No.1 TERMS AND CONDITIONS TO GOVERN --- These terms and conditions represent the final and complete agreement of the parties and no terms or conditions in any way modifying or changing the provisions stated herein shall be binding upon Shengmai unless made in writing and signed and approved by an officer or other authorized person at Shengmai No modification of any of these terms shall be modified by Shengmai 's shipment of goods following receipt of Buyers purchase order, shipping request or similar forms containing printed terms and conditions additional to or in conflict with the terms herein. If any term, clause or provision is declared to held invalid by a court of competent jurisdiction, such declaration or holding shall not affect the validity of any other term, clause or provision herein contained.
No.2. ACCEPTANCE OF ORDERS --- All orders are subject to written price verification by authorized Shengmai personnel unless designated in writing to be firm for a specified period of time. Shipment of goods without written price verification does not constitute acceptance of the price contained in the order.
No.3. SUBSTITUTION --- Shengmai. reserves the right, without prior notification, to substitute an alternative product of like kind, quality and function. If the Buyer will not accept a substitute, the Buyer must specifically declare that no substitution is allowed when the buyer requests a quote, if such request for quote is made, or, if no request for quote was made, when placing an order with the Shengmai.
No.4. PRICE --- Prices quoted, including any transportation charges, are valid for 10 days unless designated as firm for a specific period pursuant to a written quote or written sales acceptance issued or verified by an officer or other authorized personnel of Shengmai. A price designated as firm for a specific period may be revoked by Shengmai. if the revocation is in writing and is mailed to the Buyer prior to the time a written acceptance of the price is received by Shengmai. All prices and deliveries are F.O.B. shipping point. Shengmai. reserves the right to cancel orders in the event selling prices which are lower than prices quoted are established by government regulations.
2. After Sales Service and Technical Assistance
24 hours technical support by email. Our professional team is always here willing to be your technical consultant. if necessary, professional technician team can go to customers’ factory or site for mesh & machinery installation.
3. Quick Delivery
Our company provides just-in-time delivery.15days for one 20’ container mesh,30days for one machine. We value large quantity and will do our best to meet customers request on delivery time.
4. Customer Group
Our sales markets covers European countries include England, France, Poland
Germany Russia etc; American; Canada; Australia; South-Africa; Chile;
Indonesia; Philippines; Kazakhstan; UAE; Pakistan, etc.
Customer is our center! we will make you relieve !Feel our reliable !Touch our reputation!
SEMAI Group value customers request, your satisfaction is our life
Welcome to visit our company,we believe you will be impressed by our advantages!
5. Employee Group
We are not the boss and employee relations，we're semai partners!
6. Special Payment Terms
T/T,LC, D/A,D/P,O/A for your choice
Enterprise operation often been hampered by financial problem.We take pleasure to make business with you based on the payment terms of open account (OA)if you have a long time business about metal fence.Wish we can help you exploit the market to do large business earn more money!
7. Prompt Response to Customers
Your satisfaction is the goal we pursue. Semai group is ready to offer help in any time.
8. Enterprise Charity
Semai Enterprise’s Mr.An is humanity and justice,beneficent.He created the poverty relief agencies, organized various enterprises’ loving people funding difficulties family,disabled person,lonely aged people,and usually send daily goods for them.Mr.An paves the success way of enterprise with love and sincerity!
9. Company Culture
Be Wider Vision,Fence Instead Of Concrete Wall;Be Wider World,Semai Fence All Around.
Create Value For Customers，Provide Bridge Of Successful Career For Staff，To Devote Strength For Society
Integrity Create The Soul, Quality Make The Life
Hebei Shengmai Construction Material Technology Co.,Ltd. established in 2008, we are professional metal fence manufacturer covering an area of 20,00 M2 with annual turnover of 10 millions dollars.