+86-0577 56666518   info@tinsi-steel.cn
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About us

WENZHOU TINSI STEEL CO.,LTD

SONGYANG HAOCHENG STAINLESS STEEL CO.,LTD

Wenzhou TINSI Stainless Steel Co., Ltd is a leading manufacturer, stockist, and exporter of stainless steel pipes and tubes. Our team has over 20 years of professional experience focusing on manufacturing stainless steel tubes, pipes, Duplex steel tubes, pipes, and Nickel alloy steel tubes, pipes in industrial, precision, sanitary, capillary, and needle pipe categories.

Our company and warehouse are located in Wenzhou city, China, with our factory for industrial pipes relocated to Songyang. We oversee the production and sale of stainless steel pipes and tubes, ensuring advanced technology and excellent quality. With more than 1200 tons of ready stock of industry pipes, we offer the best price with the best services, making TINSI company a true performer in the domestic market.

In 2021, we expanded into foreign business and believe that maintaining competitiveness will make TINSI company a reliable partner for clients worldwide. In this new beginning, leveraging the advantages of Wenzhou Stainless Steel Base, we also supply various stainless steel rods, plates, elbow tees, fittings, flanges, valves, and other supporting equipment for better and more convenient client service.


Company view


Why us

Some of our specialties that make us a profitable business partner for our clients are:


Professional and Customized: With our expert team focusing on pipes and tubes for over 20 years, we understand the requirements involved in surface finish, annealing processes, tolerance precision, specification supply, and the selection and use of different materials and grades of tubes. We can design and produce according to the specific requirements of clients in industrial tubes, precision tubes, sanitary tubes, capillaries, and needle tubes.


Superior Quality and Price: We control production and sales of stainless steel pipes ourselves, ensuring competitive prices and quality. With a ready stock of over 2000 tons, we guarantee timely delivery.


Graded Delivery: We now classify pipes into three different quality and packaging levels to provide the most suitable price and quality for customers in different parts of the world.


Discounts and Procurement Services: We offer discounts and competitive prices to clients to establish a long-term cooperative relationship at the beginning of their foreign trade business. Additionally, we provide one-stop purchasing services for steel pipes, fittings, flanges, valves, and other pipeline system materials.

Services

TINSI Company offers unparalleled flexibility in meeting every customer requirement, no matter the order size. We prioritize efficient and friendly customer service above all else, welcoming any queries or suggestions from clients to enhance our services and better serve them.

To ensure quality, we are equipped with advanced testing equipment and employ a professional technical staff. Moreover, we place great emphasis on after-sales service.

Following TINSI company Motto

To provide quality products at reasonable price

Maintain good relationship with clients.

Timely delivery of products & Easy payment modes.

Steel Tubes Specification


Main products:

Stainless steel industrial tubes&pipes

Stainless steel BA sanitary tubes&pipes

Stainless steel precision tubes&pipes

Stainless steel capillary

Stainless steel needle tubes&piping

Size range

OD:0.4-426mm * WT:0.1-40  (Different pipe different rang)

Austenitic grade

304, 304L, 316, 316L, 321, 321h, 310s,347h ,317L904L etc.

Duplex / nickel alloy

S31803, S32205, S32750, S32760, S31500, alloy600, alloy800 etc.

Standard

GB, ASTM, ASME,AISI, ISO, DIN, EN,IDF etc.

Hardness

Hard, soft, hard-soft

Finish surface

AP(annealed and pickled), MB(machining bright), MP

(mechanically polish), BA(bright annealed),EP(electrolyte polish)

Packaging

Film + Woven Bag PackagingWooden box packing

Application

widely used in petroleum, chemical industry, fertilizer, medicine, metallurgy, nuclear power, food, electricity, shipping, environmental protection and other fields

We also offer as per customers requirement grades with all materials. For more details could check product introduction page.


Steel Tube Shipping & Packing


F&Q


Q: Are you trading company or manufacturer ?

A: We are factory.

Q. What are your company's main products ?

A: product various pipes&tubes include stainless steel seamless pipe, stainless steel welded pipe , stainless steel sanitary pipe, stainless steel precision tubes,capillaries and needle tube.  And for service better and convenient client now we also offer stainless steel rods, plates, elbow tees, fittings, flanges, valves and other equipment.

Q: What is your terms of payment?

A: We usually accept 10-30%T/T in advance and pay balance after offer BL copy,we'll show you the photos of the products and packages before you pay the balance.other payments terms please discuss.

Q: what is the terms of delivery?

A: mainly CIF,

Q: What is your delivery time?

A: For products in stock, we can ship it within 10 days after receiving the deposit. For custom order it is according to detail size&quantity, production time usually about 20-45 workdays after received the deposit.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


If you have another question, please feel free to contact us.

Steel Tubes Specification

1.Stainless steel industrial tubes&pipes:

stainless steel seamless tubes&pipes. outer diameter 6-426mm, wall thickness 0.9-25mm.Main standards:ASTM A312/ASTM A213/ASTM A269/etc.The main production process is cold drawing/cold rolling. delivery generally as annealing and pickling. We are keep about 1200 tons ready stock.Now we classify pipes into three different quality and packaging levels to provide the most suitable price and suitable quality for people in different parts of the world.Mainly used in chemical industry, boilers and other industries.Usually delivery in AP (annealing and pickling) and part is MP (AP + mechanical polishing).

and welded tubes&pipes


2.stainless steel sanitary or precision tubes&pipes: outer diameter 8-114mm, wall thickness 0.5-4mm.Main standards:ASTM A270/ASTM A632/ASTM A511/etc.Precision pipes are processed again by cold rolling or drawing with seamless or welded industrial tubes as mother tube.it more precise tolerance and high quality by precise process make inner and outer finish surface smooth that maximum tolerance size accuracy ±≤0.02-0.05mm. inner wall roughness Ra < 0.7 um and after polishing Ra < 0.4-0.25 um.Mainly used hardware equipment of automation, medical, beer, precision instrumentation,etc.Usually BA ( bright annealing after rolling surface) or MB (finish rolling bright surface) or MP (MB+polishing)


3.stainless steel capillary: outer diameter 3-15mm,wall thickness 0.3-1mm. Main standards:GB 3090/ASTM A632.Also seamless or welded pipes could be available.production process is high frequency automatic welding and cold drawing/cold rolling, specifications could be booking depend customized and less ready stock. Mainly used in automation equipment,hydraulic system,medical,precision instrument and parts,electric heat pipe,automobile,etc. Usually (soft state) BA (bright annealing)and part of MP (MB+polishing)


4.stainless steel needle tube(micro capillary): outer diameter 0.4-3mm, wall thickness 0.1-0.3mm. This kind pipe mainly welded pipe. standard GB 18457,ASTM A908,ISO 9626,. Production process is high frequency automatic welding and precision coil cold drawing.tolerance size accuracy ±≤0.02mm.delivery generally surface in bright smooth.Mainly used in Medical industry,antenna, textile, electric heat, temperature sensor,LED,etc


5.stainless steel needles&piping: outer diameter 0.4-3mm, wall thickness 0.1-0.3mm.  medical injection needles, blood collecting needles, veterinary needles, all kinds of puncture needleshole needles, breathing needles, dispensing needles, ink needles, beauty needles, milk needles, sweater needles and other industrial and medical applications. In addition, stainless steel capillary material can be cut, deburre, polish, sharpen, tipping, drilling, stamping etc process.



CONTACT US

Contact: Hyman.C

Phone: 15825401620

Tel: +86-0577 56666518

Email: info@tinsi-steel.cn

Add: factory address: no272,Yongning West Road,Xiping Street,  Songyang,Li shui,China