Maruichi Sunsteel large sized steel pipe

Maruichi Sunsteel Steel Pipe Manufacturing Company – formerly known as Sunsco with 100% investment capital from Japan, manufactures high quality steel pipes from DN15 to DN400 according to ASTM A53 standards.

Maruichi sunsteel factory

Maruichi Sunsteel Steel Factory is a manufacturer of 55% aluminum zinc alloy coated cold sheet, color coated steel sheet, steel pipe,  steel tube. Maruichi is the first factory in Vietnam that can produce large-sized steel pipes and tube, and large-sized steel pipes.

ống thép cỡ lớn

We provide  black steel pipes with many different sizes for customers to choose from. Tiger Steel is always ready to advise and help customers buy products that best suit their needs.

All kinds of large steel pipes

There are many types of large steel pipes on the market, but it is divided into 4 main types as follows:

  • DN250 large size steel pipe: 273mm x 4.19mm 6.35mm 7.8mm 9.27mm 12.7mm 15.09mm
    DN300 large size steel pipe: 323.8mm x 4.57mm 6.35mm 8.38mm 9.53mm 10.31mm 12.7mm 17.48mm
    DN350 large size steel pipe: 355.6mm x 6.35mm 7.92mm 9.53mm 11.13mm 12.7mm 19.05mm
    DN400 large size steel pipe: 406.4mm x 6.35mm 7.92mm 9.53mm 12.7mm 12.7mm 21.44mm

ống thép cỡ lớn cắt theo yêu cầu

Depending on the needs of using the product for what purpose, customers can choose the appropriate size of steel pipes. In addition to the above dimensions, Bao Tin Steel also accepts to import all kinds of steel pipes according to specific standards that customers order. Contact us if you have needs and want to receive a quote on the product!

All kinds of large-sized tube steel

Tiger Steel distributes  large-sized box steel with the following sizes:

  • Steel  square 100×100
    steel square 125×125
    steel square 150×150
    Steel square  175×175
    Steel square  200×200
    Steel square  250×250
  •  Steel square   300×300
    Steel rectangular  125×75
    Steel rectangular 150×75
    Steel rectangular  150×100
    Steel rectangular  175×125
    Steel rectangular  200×100
    Steel rectangular  200×150
    Steel rectangular  250×150
    Steel rectangular  300×200
    Steel rectangular  350×150
    Steel rectangular  350×250
    Steel rectangular  400×200

thép hộp lớn

Catalog sunsteel large steel pipes

Maruichi Sun Steel Company has a steel factory Maruichi Steel Tube Ltd in Di An, Binh Duong. Bao Tin Steel distributes Maruichi Sunsteel large-sized steel pipes at extremely good prices. Customers wishing to buy products can contact us to receive a quick and best quote. Customers can refer to Catalog Sunsteel (Sunsco):  Catalogue Sunsteel (Sunsco)


catalog sunsteel


The main products that  Tiger Steel  is providing:

Steel pipe

  • Imported Seamless steel pipe (directly)
    Imported large diameter steel pipe (directly)
  • Hoa Phat Steel Pipe, SeAH, 190… (agency)

Steel Tube

  • Steel Tube with zinc Hoa Phat, Nam Kim…
    Large, super-thick steel box (directly imported)

Pipe Fittings

  • Welding accessories A234 x SCH20/40/80 (directly imported)
    Welding accessories FKK Vietnam (distributor)
    Threaded fittings are made of materials: galvanized cast iron, alloy copper, stainless steel 201, 304, 316, high pressure steel…
    High pressure fittings ASME A105 class 3000psi/ 6000psi
    Steel and stainless steel flanges

Fire protection materials

  • Types of fire fighting equipment such as: fire extinguishers, fire balls…
    All kinds of materials and equipment for construction of firefighting systems such as: fire cabinets, angle valves, nozzles, water waiting throats, exit lights, automatic fire sprinklers, control centers, nozzles, hose reels , command signal, lights, speakers, fire alarms, emergency buttons… (full automatic fire fighting system).

Industrial valves

  • Cast iron valves, flanged stainless steel valves such as: gate valve (submersible, floating), ball valve, butterfly valve (handle, crank), globe valve, one-way valve (flip leaf, spring), Y filter , magnifier (pump), float valve, air release valve, safety valve, pressure relief valve…
    Threaded valves made of copper or stainless steel such as gate valves, ball valves, one-way valves, filters, pump baskets, air release valves, pressure relief valves, etc.

Water meter

  • Types of water flow meter brands Komax, Bao Tin, Sanpo…
    Hot water, hot steam flow meter


  • stainless steel pipes and Tube 201 and 304 .
    Decorative and industrial stainless steel
    Stainless steel pipe fittings of all kinds

Steel I, H
U-shaped steel
Angle Steel VU
Purlin C, roofing sheet metal.

Steel plate

  • Common types of plain steel plate, ribbed steel plate
    Cut the ciphertext, chop the bar as required

Types of auxiliary materials

  • Steel and stainless steel bolts
    Deck Floor Welding Nails
    sag Rod

Tiger Steel can provide enough materials for you to erect a new factory building, as well as the entire large and small pipeline system. With more than 10 years of experience, we are confident to provide you with guaranteed quality products at the best prices!

We accept import of large diameter steel pipes, cast steel pipes from China with extremely flexible payment policy, very fast import time (for products that are not available in Vietnam). Please contact us immediately to receive a quote.

Tiger Steel has a branch in Cambodia and official operation since 2018. Tiger Steel Cambodia Co.,Ltd

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