Stainless Steel Spiral Staircase
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Stainless Steel Spiral Staircase

Stainless Steel Spiral Staircase are easily and safely accessed through the use of platforms and walkways, commonly known as grating planks, catwalks, or industrial footbridges. These facilities, including Stainless Steel Stairs, are integral in industrial and commercial environments. Workers leverage these structures for the secure and efficient inspection and maintenance of equipment, structures, and machinery.
  • Pretank

  • SUS304/SUS316L


| Description of Stainless Steel Spiral Staircase

We excel in the conceptualization, production, and implementation of a comprehensive selection of stainless steel enhancements dedicated to optimizing our process systems. This encompasses a variety of components such as stainless steel platforms, stairs, handrails, mezzanines, and catwalks. Moreover, we specialize in crafting hygienic stainless steel platforms designed with precision for seamless integration into our sanitary process systems. These solutions significantly improve the accessibility of our process systems, thereby fostering operations that are both safer and more efficient.


| Features

1)Enhanced Resistance to Corrosion

In comparison to galvanized steel platform ladders, stainless steel proves more suitable for industries with stringent hygiene requirements, such as food processing, catering, brewing, and the chemical sector. Stainless steel exhibits robust corrosion resistance, surpassing the lower corrosion resistance of galvanized sheets.

2)Tailored Solutions

Each platform or walkway is meticulously designed and constructed in alignment with the customer's specific standards, ensuring applications that are both safe and compliant.

3)Modular Design for Effortless Installation

Customizable stairs are crafted to meet the specific requirements of your site, utilizing modular construction methods that facilitate seamless installation. We provide entirely customized solutions to address all your access needs, regardless of the project's scale.

Experience a hassle-free maintenance journey, as these structures are exclusively built from stainless steel, guaranteeing not only durability but also an extended lifespan.

| Case

platform & stairs
stainless steel walkway (2)

We provide turnkey engineering services,contact us with

| Certificate

Over 100 patents including utility,invrention and industrial design.

Pass through ISO certificates of  ISO9001/22000/ 45001, and other export certificates of  CE, PED, API650, AS1210, AS1692, CSA.


| Processing Machinery

Pretank use advanced processing machines to fabricate our stainless steel tanks,including auto Robbot welding machine,laser cutting/welding machine,CNC lathe,plasma cutting and automatic welding machines.

The machines replace labor working and minimize the human fault& tanks defects,improve tank quality, shorten construction period.

Processing Machinery

| About Company

Pretank is established in 1971, it's the largest-scale and longest-history stainless steel vessels manufacturer in China,with 4000 staff, 666,000 m㎡ floor space and US$240 million annual sales. We have the most advanced technology, R&D capability in the industry,adopt solidworks and AutoCAD to design vessels, Engaged in formulation of National Standard in designing, producing, inspection and transportation.

About us

53-Year History in Tank Fabrication

Prettech stainless steel tanks already used in 40 classifications,gather rich experiences and precipitate skills in varied industries,win 100,000 client’s trust

Guarantee Quality

- Ensure no leaks no rust, easy cleaning.
- All tanks are over engineered and heavy-duty made, lengthen tank service life.
- Stainless steel tanks produced by automatic and laser machines, reduce labor fault.
- Each tank is strictly tested and inspected before delivery.
- We pass through ISO certificates CE, PED, API650, AS1210, AS1692, CSA, supply 2-year warranty.

Competitive Price

Scale production and automatic machines reduce cost, Pretank always perseus the most reasonable price policy to share the profits with our consumers and distributors. With same quality our price are more strong competitive.

Customize Service Free of Charge
Our bespoke tanks are tailor-made for each project, considering material, strength calculations, dimensions, fittings, and ports.We listen carefully to your needs and provide humane designs.

Lifetime Engineering Service

At pretank family, you will get lifetime engineering service! Installation service on your site, making all the AutoCAD drawings for you, completely free parts replacement in the warranty date, low cost parts supplied out of the warranty, technology support door to door, lifetime consult support.


1.  Can you produce tanks with S.S.316L?

A: Yes we can, the wetted-parts are produced by S.S.316L to guarantee the corrosion resistance, the non-wetted parts are produced by S.S.304 to reduce cost.

2. What’s the lead time?

A: 35-50 working days depend on the order quantity.

3. How do you ship the goods?

A: We usually ship by sea in containers or flat rack.

4. Do you supply door to door shipping?

A: Yes we do, Pretank do ocean shipping, customs clearance, import procedures and deliver products to the appointed place.

5. What inspections will you do before delivery in your factory?

A: All tanks would be tested by static pressure test, dye penetration or X-ray test if requested.


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Provide stainless steel tanks solutions for liquid processing of STORAGE,FERMENTING, HEATING,CHILLING, BLENDING, DISTILLING, MASHING AND BOILING.




Tel: +86-519-85255001 
Cell: +86-15295029678 
Fax: +86-519-86713769 
Add: A-floor, 16,R&D HUB 2,Science and education Town, No.801,Changwu Middle Road,Wujin District, Changzhou, Jiangsu. P.C. 213000
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