China Customized Stainless Steel Products Manufacturers Suppliers Factory

Dongmeng Group: Your Professional Stainless Steel Products Supplier

Dongmeng Group is a globally oriented stainless steel manufacturer and export supplier, delivering high-quality stainless steel products to industrial clients, distributors, EPC contractors, and project developers across North America, Europe, the Middle East, Southeast Asia, and Africa.

With extensive experience in international stainless steel trade, we provide fully compliant export solutions covering ASTM, AISI, EN, DIN, and JIS standards. Our export operations include strict documentation control, Mill Test Certificates (EN 10204 3.1), third-party inspection coordination (SGS / BV / TUV), and customized packaging to meet regional import regulations and project specifications.

We specialize in bulk stainless steel export, containerized shipments, and project-based supply contracts, ensuring stable lead times, dimensional accuracy, and full material traceability. Our team understands global compliance requirements, including pressure equipment standards, structural engineering codes, and corrosion-resistant material certifications required for oil & gas, construction, petrochemical, food processing, and energy industries.

Through long-term logistics partnerships and optimized supply chain management, Dongmeng Group provides:

Flexible MOQ & wholesale stainless steel supply

Competitive FOB / CIF / CFR pricing models

Fast production scheduling & export documentation support

Secure seaworthy packaging for coils, plates, pipes, and bars

Reliable international shipping coordination

As a trusted stainless steel export partner, we focus on quality consistency, cost efficiency, and long-term strategic cooperation to support global infrastructure, industrial manufacturing, and large-scale engineering projects.

Our Product Range

We supply a comprehensive portfolio of stainless steel products, including:

Stainless Steel Coils (Hot Rolled / Cold Rolled)

Stainless Steel Sheets & Plates

Stainless Steel Strips

Stainless Steel Pipes & Tubes (Welded & Seamless)

Stainless Steel Bars (Round, Flat, Square, Hex)

Stainless Steel Rods & Wires

Stainless Steel Profiles (Angle, Channel, H-Beam, T-Bar)

Stainless Steel Fittings & Custom Fabrication Parts

Available Stainless Steel Grades

Our products cover a wide range of international standards and material grades, including:

Austenitic: 201, 202, 301, 304 / 304L, 316 / 316L, 309S, 310S

Ferritic: 409, 410, 430, 439, 441

Martensitic: 410, 420

Duplex: 2205, 2507

Super Austenitic & Special Alloys upon request

Standards available:
ASTM / AISI
EN / DIN
JIS
GB

ASTM A312 Stainless Steel Pipe Supplier | TP304 / TP316 Seamless & Welded Pipe
OD: 10.3mm-609.6mm. WT: 0.2mm-60mm. Length: 5-12m or as you required. Application: Low pressure line pipe for liquid, water, gas, oil, pipe for boiler project, etc.. Supplementary Technology: Plain
ASTM A249 tp304
Standard: ASTM A249. Grade: TP304/304L/304H, TP316/316L/316H, TP309S/309H, TP310S/310H, TP316H, TP321/321H, TP347/347H. Size: OD: 4 - 321mm WT: 0.4 - 8.1mm. Length: fixed length or random Delivery
ASTM A358 TP304
Specifications:ASTM A358 / A358M. Type:Welded Pipe. Out Diameter:6NB to 1200NB. Standards:ASME. Wall Thickness:SCH.5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XX, (3 mm to 100 mm . Grades:ASTM
Cr-Ni Stainless Steel
Product Name: Cr-Ni Stainless Steel. Alias: Austenitic Stainless Steel, 18/8 SS, 18/10 SS. Standards: ASTM A240 / A276 / A666, EN 10088, JIS G4304. Surface Finish: 2B, BA, No.4, Hairline, Mirror 8K.
ASTM A269/A269M Seamless And Welded
Standard: ASTM A269/A269M-2019. Grade: TP304, TP304L, TP304LN, TP316, TP316L, TP316LN, TP317, TP321, TP347, TP348, TP XM-10, TP XM-11, TP XM-15, TP XM-19, TP XM-29, S31254, S31725, S31726, S30600,
ASTM A409 Welded Large Diameter Stainless Steel Pipe
Standard: ASTM A409. Grade: TP304/304L, TP309S, TP310S, TP316/316L, TP321, TP347. Size: OD: 10.3- 762mm WT: 1.5- 60mm. Length: fixed length or random.
ASTM A312 TP304H Stainless Steel Pipe | High Temperature 304H Pipe Supplier
Product Name: ASTM A312 TP304H Stainless Steel Pipe. Alias: 304H Pipe / UNS S30409 / High Carbon 304 Stainless Steel. Type: Seamless / Welded / EFW Pipe. Standard: ASTM A312 / ASME SA312.
ASTM A312 TP310S Stainless Steel Pipe | Heat Resistant 310S Pipe Supplier
Product Name: ASTM A312 TP310S Stainless Steel Pipe. Alias: 310S Pipe / UNS S31008 / Heat Resistant Stainless Steel. Type: Seamless / Welded / EFW Pipe. Standard: ASTM A312 / ASME SA312. Application:
ASTM A312 TP347 Stainless Steel Pipe | Stabilized SS 347 Pipe Supplier & Exporter
Product Name: ASTM A312 TP347 Stainless Steel Pipe. Alias: 347 Pipe / UNS S34700 / Nb Stabilized Stainless Steel. Type: Seamless / Welded / EFW Pipe. Standard: ASTM A312 / ASME SA312. Application:
ASTM A312 TP347H Stainless Steel Pipe | High Temperature Boiler & Superheater Tube Supp...
Product Name: ASTM A312 TP347H Stainless Steel Pipe. Alias: 347H Pipe / UNS S34709 / High Carbon Stabilized Stainless Steel. Type: Seamless / Welded / EFW Pipe. Standard: ASTM A312 / ASME SA312.
ASTM A312 TP321H Stainless Steel Pipe | High Carbon 321H Heat Resistant SS Pipe Specifi...
Material Grade: TP321H (High Carbon Titanium Stabilized Stainless Steel). Type: Seamless / Welded Pipe. Manufacturing Process: Hot Finished / Cold Drawn. Outer Diameter (OD): 1/8” – 48” (10.3 mm –
ASTM A312 TP321 Stainless Steel Pipe | 321 SS Seamless & Welded Pipe Specification, Hea...
Material Grade: TP321 (Titanium Stabilized Stainless Steel). Type: Seamless / Welded Pipe. Manufacturing Process: Hot Finished / Cold Drawn. Outer Diameter (OD): 1/8” – 48” (10.3 mm – 1219 mm). Wall

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Surface Finishes

We offer multiple surface finishes to meet diverse industrial and decorative requirements:

No.1

No.4

HL (Hairline)

Mirror (8K)

Pickled

Custom surface processing available

Our Advantages

✔ Strict Quality Control & Traceability System
✔ Mill Test Certificate (MTC) EN 10204 3.1 Available
✔ Third-Party Inspection (SGS, BV, TUV)
✔ Stable Raw Material Supply
✔ OEM & ODM Processing Services
✔ Fast Delivery & Export Packaging
✔ Competitive Pricing for Global Markets

Industries We Serve

Construction & Architecture

Oil & Gas

Chemical & Petrochemical

Food Processing & Kitchen Equipment

Machinery & Equipment Manufacturing

Water Treatment

Renewable Energy

Automotive & Transportation

Our Commitment

At Dongmeng Group, we are committed to:

Providing reliable stainless steel solutions

Ensuring consistent product quality

Supporting customers with professional technical consultation

Building long-term partnerships based on integrity and mutual growth

Why Choose Dongmeng Group as Your Stainless Steel Supplier?

✔ Direct stainless steel factory supply
✔ Strict quality inspection & dimensional control
✔ Chemical composition & mechanical property testing
✔ Third-party inspection support (SGS / BV / TUV)
✔ OEM & custom cutting, slitting, polishing services
✔ Export seaworthy packaging
✔ Stable global logistics solutions
✔ Competitive wholesale stainless steel pricing

We focus on long-term cooperation with stainless steel distributors, project contractors, EPC companies, and industrial manufacturers worldwide.

Request a Stainless Steel Quote Today

Looking for a reliable stainless steel manufacturer in China?
Need competitive pricing for bulk stainless steel coils, sheets, or pipes?

Contact Dongmeng Group today for fast quotation, technical support, and professional service.

write to us

Email: office@dongmjd.com

visiting us

Address: Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province

+86 15769214734

Contact directly

+86 15769214734

Our Factory

Companies We Have As Clients

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Our Certifications

productcate-2971-700

Ultimate Guide

Q: What is the difference between welded and seamless stainless steel tubes?

A: Welded Tubes: Made from sheets or coils that are rolled into a cylindrical shape and then welded along the seam. They are generally less expensive and available in a wider range of sizes.
Seamless Tubes: Manufactured by extruding solid stainless steel bars through a die to form a hollow tube and then removing the center core. Seamless tubes have no seams, providing higher pressure ratings and better mechanical properties.

Q: What are the benefits of stainless steel tubes?

A: Thanks to its corrosion resistance, fire and heat resistance, hygiene, aesthetic appeal, strength-to-weight advantage, ease of fabrication, and impact resistance, stainless steel tubes has been widely used across industries for decades.

Q: How to choose between 304 stainless steel and 316 stainless steel tubes?

A: Both 304 and 316 steel tubes are nickel-based alloys that are easy to maintain, resist corrosion and maintain strength and durability at high temperatures. Type 304 stainless steel is corrosion resistant and easy to sanitize, making it the most common type of stainless steel used for tubing and other steel parts. 304 stainless steel tubes are frequently used in building and decorating applications. Type 316 stainless steel is similar to 304 stainless in that it is also corrosion resistant and easy to clean. 316 stainless does, however, have a slight advantage because but is more resistant to corrosion caused by chloride, chemicals and solvents. This additional factor makes 316 stainless steel a preferred solution for applications where there is constant exposure to chemicals or for outdoor applications where there is exposure to salt. Industries that are known to use 316 stainless steel include industrial, surgical and marine.

Q: What is stainless-steel sheet and plate and what is it used for?

A: One of the most common areas in which stainless steel sheet is used is in commercial kitchens for storage cupboards and shelves, to cover work surfaces and counter tops, and applied to walls as a splashback. Cooker hobs are also made from stainless steel, as the material is resistant to effects of heat, and can be cleaned easily. Sheet metal is widely used in laboratories where durability and resistance to heat and corrosion are essential, and where high cleanliness standards need to be maintained. Stainless steel sheet is also used to make water storage tanks, silos to store grain, and transportation tankers.

Q: What are the applications of stainless steel sheet?

A: Stainless steel sheets, also commonly known as cold rolled products, can be molded into shapes for making cookware, such as grills, sinks, pots and cookers. Stainless steel sheet is popular as a finish for refrigerators, freezers, countertops and dishwashers.

Q: How to maintain stainless steel coil?

A: Avoid physical damage: When handling and using stainless steel coils, avoid scratches, impacts and heavy pressure to avoid damaging the surface protective film.
Regular cleaning: Stainless steel coils need to be cleaned regularly. Neutral detergent and soft cloth can be used for wiping. It is strictly forbidden to use acidic and alkaline cleaners and hard brushes to avoid damaging the surface and protective film.
Pay attention to the use environment: avoid exposing stainless steel coils to acidic, alkaline and high-temperature environments for a long time to maintain the stability of stainless steel.
Proper storage: During storage, stainless steel coils should be kept dry and ventilated, and avoid contact with moisture, chemicals and other metal materials.
Regular inspection: Regularly check the surface of stainless steel coils for corrosion, deformation or other damage. If there are any problems, they should be repaired or replaced in time.

Q: What are the cleaning steps of stainless steel coil?

A: For the cleaning of stainless steel coil, first of all, we need to clarify the types of stains and have different solutions for different stains. In general, in the face of stains, people should think of detergent such as bleach. This method should not be used because detergents like this will corrode the surface of the stainless steel coil, and remember not to use steel balls and abrasives when cleaning the stainless steel coil, so as not to scratch the stainless steel plate and affect the appearance. The dust on the surface of stainless steel coil can be washed with soapy water after gently cleaning, and then further cleaned with alcohol or organic solvent, which will make the surface of stainless steel coil more beautiful and bright.

Q: How to choose stainless steel coil?

A: Consider factors like heat resistance for high-temperature applications, mechanical strength for durability, formability and weldability for simplicity of manufacturing, and corrosion resistance for harsh environments when selecting stainless steel coils while considering cost-effectiveness without sacrificing quality. The selection of stainless steel coil should strike a balance between these criteria.

Q: Are stainless steel coils safe?

A: When using stainless steel coil builds, it is important to follow proper safety precautions. Always use high-quality wire and check for any defects or damage before use. Ensure that your coils are properly installed and secured to prevent any shorts or hotspots.

Q: How do you store stainless steel plates?

A: Stainless steel plates should be stored on wooden or painted steel shelves or rubber pads, and should be placed separately from other steel materials to avoid dust, oil, and rust from corroding the stainless steel surface.

Xi'an Dongmeng Group Co., Ltd. is one of the leading stainless steel products manufacturers and suppliers in China. We warmly welcome you to buy or wholesale cheap stainless steel products in stock here from our factory. All customized products are with high quality and competitive price. For free sample, contact us now.

440C Stainless Steel