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Multiple Ribs for a Secure Fit

Heavy End Walls for Durability & Abrasion Resistance

Tube Plugs Fit Multiple Gauges


Used for office and patio furniture, tubular racks, appliances, exercise equipment, or anywhere a finished look is needed

Product finishing

Protects Against Debris, Damage, Moisture and Corrosion

MOCAP is the leader in Plastic and Rubber Masking, Product Protection, Components and Custom Molding that mainly produce plastic caps, plastic plugs, masking tapes, silicone tapes, plastic grips, plastic netting, plastic packing tubes& Container. As one of the largest plastic and rubber molders in the world, Mocap now has 4 production plants, 8 sales offices across 4 continents ever since the first plant set up in St. Louis, Missouri USA in 1982.

Zhongshan MOCAP is the wholly owned and operated plant by MOCAP USA in China. A wide variety of refined materials, up-to-date design from USA and the latest in injection compression, transfer, extrusion, and DIP molding technologies keep Mocap's products the same pace with the market trend and the Customer's innovation. Completing with an in-house tooling and mold making shop allows us to offer very low tooling costs and competitive piece prices.

Our professional and Customer-oriented sales team are ready to provide you tailored solution with thousand types of products both on-line and off-line.

Millions of Customers' satisfaction and trust are the key factor to our success, and it is also the evidence that Mocap is a reliable and excellent partner for you!

Our service:1. Thousands of lines in multiple sizes

2. Free samples

3. Sufficient stock

4. Quality Guarantee: RoHS, REACH

5. US designs, world-wide production plants

6. Professinal recommendation for Fortune 500 and SME companies

7. For there are varous series and thousand sizes of the products, detail unit price please consult MOCAP salesProduct Description

Black Square Hollow Section Pipe
1. Size: 15mmx15mm-300x300mm
2. Material: Carbon steel
3. Factory price
4. Do small order


Black square hollow section pipe




ISO9001 /SGS






black rectangular section pipe




welded ,ERW ,cold rolled .hot rolled


Bared, Galvanized, Oiled,Or Other Anti-corrosive Treatment.

We can produce other specifications according to customers requirements.


1.Big OD:in bulk

2.Small OD:packed by steel strips

3. 20"GP:5.85*2.2*2.2 40"GP:11.85*2.2*2.2

Black steel pipe: oiled/painted, in bundles and tarpaulin outside

According to the requirements of customers


With Chemical Composition and Mechanical Properties Analysis;

Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection


Mechanical & manufacture, Steel structure, Shipbuilding, Bridging ,Automobile chassis

Industrial water lines/plant piping, Vehicular chassis and frames, Idlers & belt conveyorsAgriculture and Irrigation,

Scaffoldings, Electrical Cable conduits, Cooling towers, Antenna and Telecom Towers, Cold storages,

Tabular polesFire Protection Systems, HVAC, Plumbing,Fabrication industry,

main market

North America South America Eastern Europe Southeast Asia
Africa Oceania Mid East Eastern Asia Western Europe
Central America Northern Europe Southern Europe
South Asia Domestic Market

country of origin



5000tons per month

delivery time

within 15 working days after receiving the payment or 100% Irrevocable L/C at sight

Besides, we can do customization as your demand or samples, etc..
Warmly welcome your esteemed come and visit our company and the production line.
Our current export markets are: Sorth America, North America, Europe,Australia,Africa, Asia, etc..
Adhere to the principle of"fair,objective,scientific,honest management, keeping promises, credibility honoring, following delivery schedule", Liaocheng Huajian Steel Co.,Ltd is willing to establish long-term close cooperation with our customers and make progress together to create a more brilliant future!

Our Advantages

1. High quality with reasonable price.
2.Wide excellent experiences with after-sale service.
3. Every process will be checked by responsible QC which insures every product's quality.
4. Professional packing teams which keep every packing safely.
5. Trial order can be done in one week.
6. Free Samples can be provided as your requirements.
1. Minimum Order Quantity?
The MOQ is usually 25 tons or more, it depends .

2. What kind of terms of payment can you accept?
T/T, L/C at sight are available.

3. What grams of the product can you offer?
These products can be customized according to your requirement.

4.Is free sample available?
Yes, free sample is available.
The sample is cost free, but please afford the freight cost, and we will figure it in the order as long as we work together.For those clients who have already established business relation with us, even the freight cost will be free.

5. Can you do Customization & Reproduction if I provide a photo?
Yes, we do Customization & Reproduction service.

6. Does the packaging safe and arrive in good conditions?
Yes, safe Packing guarantee , all the products will arrive your door under good conditions. We response to problem of shipping if there unfortunately is.

7. How long does it usually take to deliver the product?
We will make the shipment to you immediately. It will take about 18 to 40 days arrive worldwide. It de pends on the specific quantity.

8. Is drop shipping available?
Yes, it is, we can send to worldwide.Mezzanine flooring

Garage doors

Metal buildings


Large storage bins


And while some form the bones of a facility (roofing and walls), others like those listed above are used to strengthen structures within. As such, every section needs a seamless fabrication process for optimum performance, ductility, and strength. This is where roll forming comes in!

Our residential flat-roof solar systems can be mounted flush or tilted up to accommodate any residential flat-roof solar system design. We design and supply roof-mounted systems for tar and gravel, torch down, membrane, concrete, and all other types of flat roofs. The wide variety of ways to mount a solar system to a flat roof include traditional penetrated solar stanchions with flashing and non-penetrating ballasted solar panel mounts. Solar panels can be mounted on flat roofs without drilling. Ballast mounts are easy to install and have no hole drilling damage to the roof. Non-penetrating flat-roof mounts are designed without penetrations of the roof cladding. Flat-roof solar panel mounting solutions are available from established manufacturers like Prosolar, Snap NRack, Quick Mount PV and Schletter.

Whether you are a professional residential contractor or a DIY (do-it-yourself) property owner, we have the experience and photovoltaic solar system products for any flat-roof solar project.

Sino Green Energy, extremely powerful array system includes our robust power and control management software. With one click you can unload accumulated snow from all of the arrays and start creating power!

If you have any questions about our products or our company, please don't hesitate to contact us, we will try our best to serve you well!
Thanks for watching!  


23rd, Floors, Science and Technology Finance Buildling. No.5, Meiyuan Road, Xiqing District, Tianjin,China.


Sino Green New Energy Tech Co Ltd