China Manufacturer Best Price Black Hollow Section Carbon Steel Q235 Square Tube

Product Name
Square Steel Pipe
Oil Galvanized Preglavanized
Transport Package
Standard Sea Transport Package or as Customer′s Re
China Shandong
Sticking to the principle of "Super High-quality, Satisfactory service" ,We are striving to generally be a very good business partner of you for China Manufacturer Best Price Black Hollow Section Carbon Steel Q235 Square Tube, The product will supply to all over the world, such as: Gambia, Bangladesh, Liberia, We have the best products and professional sales and technical team.With the development of our company, we are able to provide customers best products, good technical support, perfect after-sales service.
Jinan Suorong Trade Co., Ltd. Diamond / Audited Supplier
                      China manufacturer best price black hollow section carbon steel Q235 square tube
1.product description


Product name

  square steel tube / pipe

Outside Dia(mm)


Wall Thickness(mm)



   Random length:5-12m





   API5L , ASTM A106 Gr.B, ASTM A53 Gr.B,



   GB/T8163-2008, GB8162-2008,GB/T17396-2009




Q195 → Grade B, SS330,SPHC, S185
Q215 → Grade C,CS Type B,SS330, SPHC
Q235 → Grade D,SS400,S235JR,S235JO,S235J2
Q345 → SS500,ST52



Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,ect


    API5L ISO 9001:2008 TUV SGS BV etc



Loose package, Packaged in bundles, bundled pipes with two slings at the both end for easy loading and discharging, End with Plastic caps or as per


2.product application

3.product packing

4.our company

JINAN SUORONG TRADE CO.,LTD belongs to the Jinan Suorong Group. Jinan Suorong Group founded in 2008, with five branch companies and is well-funded. Our annual sales nearly one billion, about 300,000 tons steel.  Our company is located in Jinan City, Shandong Province. We entered into a strategic partnership with Jinan Steel, Laiwu Steel, Handan Iron and Steel, Anyang Iron and Steel, Maanshan Iron and Steel and other domestic large steel companies.

         Suorong is the largest steel agent in Shandong Province, we also have ourselves steel manufacturing factory, and our stock always no less than 10,000 tons.       Our company mainly engaged in: galvanized steel, stainless steel, deformed steel bar, steel pipes, H-beam, I-beam, angle, channel, flat steel, round steel, all profiles; Our own steel factory mainly produces seamless pipe, spiral pipe, square and rectangular tube, galvanized pipe and so on.

         We always focused on the integration of resources, in line with the concept of win-win cooperation.Suorong regards moral integrity as fundamental, relying on advantages of resources, we will ensure the most reliable quality and very good prices.


Q1: what is the terms of delivery?


Q2: What is the terms of packing?

A: generally, we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers’ requirement.

Q3: whats your delivery time ?
A: For stocks, we could transport the goods to loading port within 7 days after we received your deposit.
For production period, it usually takes about 7 days-15 work days after receiving the deposit.

Q4: Could you produce according to the samples?

A : Yes, we could customer-made by your samples or technique drawings, we could build the mold and fixtures.

Q5: Could you provide the compliment samples?

A: yes, we could provide the free samples on conditons it is available in stocks, however, the the transportation fee is borne by buyer.

Q6: How could you guarantee your products?

A: Each piece of products is manufactured by certified workshops, inspected by SORUN piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

Q7: How do we trust your company?

A: We specialise in steel business for years, headquarter locates in Jinan, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in alibaba with trade assurance which could secure your payment.

6.Our serives
1. Immediate Respond.
All the customers have SUORONG full attention, we will be 24/7 on line at your services to provide the immediate and professional suggestion. SUORONG STEEL has exported to more than 30 countries in the world. 
We could provide you the immediate respond services with our sincerity.
2.Professional Suggestion.
With decade commitment, more than 90% technician has incepted the mechanical bachelor degree inSUORONG team, and almost 60% has more than 6 years steel manufacturing and consulting experiences. 
We could provide you the professional suggestion with our sincerity.
3.Strict QA/QC Procedure.
SUORONG as the bankable manufacturer, always cherish the quality as the lifetime. 
We abide by the strict quality control(QC)ans quality Assurance(QA) procedure.
4.Warranty issued.
In order to assure the customers, SUORONG covered the national property insurance.
We are also sanctioned by all the different testing center which is mandatory, including ISO9001, ECOCERT, OMRI list etc. information