Home Metallurgy, Mineral & Energy Steel Pipe & Tube Stainless Steel Tube Third Party Quality Control 2025 Product List

Third Party Quality Control

products found from  trusted manufacturers & suppliers

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US$ 9-999 / Meter
1 Meter (MOQ)
Shandong Zhongmei Construction Engineering Co., Ltd.
Shandong Zhongmei Construction Engineering Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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Agricultural Irrigation, Chemical Transport, Industrial Processing, Oil and Gas Distribution, Wastewater Management, Water Supply
CE, ISO9001
Compression Joint
4 inch
HDPE (High-Density Polyethylene)
-20℃ to 80℃

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US$ 0.18-3.5 / Square Meter
1000 Square Meters (MOQ)
Dezhou Huixin Geosynthetics Co., Ltd.
Dezhou Huixin Geosynthetics Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Smooth/Textured
Transportation Project, Hydraulic Project, Geotechnical Project, Environmental Project
Puncture Resistance, Impact Resistance, Tear Resistance
HDPE
Black
Black, White, Green, Blue

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US$ 11-13 / Set
500 Sets (MOQ)
Zhejiang Italy Copper Industry Co., Ltd.
Zhejiang Italy Copper Industry Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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2inch ~3inch
Brass Hpb59-1
-20~200deg
Aluminum
Plastic Bag, Inner Box, Carton
2" Male x Female

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US$ 390-480 / Ton
10 Tons (MOQ)
Tianjin Kaishuo Weiye Steel Co., Ltd.
Tianjin Kaishuo Weiye Steel Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Tianjin, China
  • ISO9001:2015
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Customer's Request
Customer's Request
Steel Plate
ASTM, AISI, GB, JIS, DIN, BS
ISO, RoHS, IBR
No Surface Treatment

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US$ 20-50 / Square Meter
500 Square Meters (MOQ)
Qingdao Steel Building Co., Ltd.
Qingdao Steel Building Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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Installation Drawing, Installation Video
Bolt Connection
Wall Support
BS, ASTM, DIN, GB, En1090
Quality Carbon Structural Steel and Alloy Structural Steel
Design Plan Drawing, Install Shop Drawing

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US$ 7558-7758 / PCS
1 PCS (MOQ)
STMA Industrial (Xiamen) Co.,Ltd
STMA Industrial (Xiamen) Co.,Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Fujian, China
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Parts
18 Months or 3000 Working Warranty
Adjustable
Diesel Forklift
Diesel Engine
3500kg

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US$ 15.66-34.58 / Piece
1000 Pieces (MOQ)
Ningbo Ganyee Technology Co., Ltd.
Ningbo Ganyee Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Cold Chamber Die Casting Machine
Precision Die Casting
Machinery Parts
CNC Machining
Aluminum Alloy
Grind

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US$ 12000-20000 / Piece
1 Piece (MOQ)
Yangjiang Cheongfa Marine and Genset Power Co.,Ltd.
Yangjiang Cheongfa Marine and Genset Power Co.,Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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Overseas Third-Party Support Available
1 Year or 1500 Running Hours Which Come First
Basic Diesel Generator
Portable
Four Stroke
Water Cooling

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US$ 30-50 / Square Meter
300 Square Meters (MOQ)
Qingdao Xinguangzheng Sino Building Co., Ltd
Qingdao Xinguangzheng Sino Building Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
Secured Trading Service

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5(5.0)

"Fast Delivery"
Fast Delivery
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50 Years
Bolt Connection
Steel Beam and Column
Quality Carbon Structural Steel And Alloy Structural Steel
Hot-Rolled Steel
Wall Support

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US$ 248500-900000 / Set
1 Set (MOQ)
Quanzhou Niso Industry Co., Ltd.
Quanzhou Niso Industry Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Fujian, China
  • Trading Company

Secured Trading Service

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Yes
12months
Infant
>400pcs/min
150-400pcs/min
Computer Control Panel

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US$ 1-3 / Pieces
1 Pieces (MOQ)
Hebei Rich Pipe Fitting Mill Co., Ltd.
Hebei Rich Pipe Fitting Mill Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
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2 Year
2 Year
Round
Welding
Equal
Stainless Steel

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US$ 19800-20000 / set
1 set (MOQ)
Dongying Besco Machine Tool Limited
Dongying Besco Machine Tool Limited
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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2 Years
New
CE
Overseas Third-Party Support Available, Overseas Service Center Available, Engineers Available to Service Machinery Overseas
Automatic
Plate, Box, Cup, Bowl

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US$ 20-50 / Square Meter
500 Square Meters (MOQ)
Qingdao Steel Building Co., Ltd.
Qingdao Steel Building Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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Installation Drawing, Installation Video
Bolt Connection
Wall Support
BS, ASTM, DIN, GB, En1090
Quality Carbon Structural Steel and Alloy Structural Steel
Design Plan Drawing, Install Shop Drawing

Favorites

US$ 18.5-29 / Piece
1000 Pieces (MOQ)
Ningbo Ganyee Technology Co., Ltd.
Ningbo Ganyee Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Cold Chamber Die Casting Machine
Precision Die Casting
Machinery Parts
CNC Machining
Aluminum Alloy
Grind

Favorites

US$ 18000-19500 / Piece
1 Piece (MOQ)
Yangjiang Cheongfa Marine and Genset Power Co.,Ltd.
Yangjiang Cheongfa Marine and Genset Power Co.,Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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Overseas Third-Party Support Available
1 Year or 1500 Running Hours Which Come First
Electric Ignition
High Speed
Water-Cooled
Turbocharged

Favorites

US$ 30-50 / Square Meter
300 Square Meters (MOQ)
Qingdao Xinguangzheng Sino Building Co., Ltd
Qingdao Xinguangzheng Sino Building Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
Secured Trading Service

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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50 Years
Bolt Connection
Steel Beam and Column
Quality Carbon Structural Steel And Alloy Structural Steel
Hot-Rolled Steel
Wall Support

Favorites

US$ 1-3 / Pieces
1 Pieces (MOQ)
Hebei Rich Pipe Fitting Mill Co., Ltd.
Hebei Rich Pipe Fitting Mill Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
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2 Year
2 Year
Round
Welding
Equal
Carbon Steel

Favorites

US$ 20-50 / Square Meter
500 Square Meters (MOQ)
Qingdao Steel Building Co., Ltd.
Qingdao Steel Building Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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2D &3D Installation Drawing& Install Video
Customized
Fast Installation
Automated, Durability, Easily Movable, Eco-Friendliness, Flexibly Combinable, Safe
Customized
Main Structure Loading in 40FT Ot, Others Loading

Favorites

US$ 9.7-28.66 / Piece
500 Pieces (MOQ)
Ningbo Ganyee Technology Co., Ltd.
Ningbo Ganyee Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Cold Chamber Die Casting Machine
Precision Die Casting
Auto Parts
CNC Machining
Aluminum Alloy
Spray Coating

Favorites

US$ 1-3 / Pieces
1 Pieces (MOQ)
Hebei Rich Pipe Fitting Mill Co., Ltd.
Hebei Rich Pipe Fitting Mill Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
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2 Year
2 Year
Round
Welding
Equal
Stainless Steel

Favorites

US$ 20-50 / Square Meter
500 Square Meters (MOQ)
Qingdao Steel Building Co., Ltd.
Qingdao Steel Building Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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2D &3D Installation Drawing& Install Video
single Layer Ot Multi Layer
Dust-Proof Workshop, Electrostatic Workshop, Food And Chemical Industry, Heavy Industry, High-Voltage Power Plant, Research Facility, Specialized Workshop, Textile And Electronic Processing, Warehouse
Main Structure Loading in 40FT Ot, Others Loading
Customized
Qingdao, China

Favorites

US$ 12.6-32.86 / Piece
500 Pieces (MOQ)
Ningbo Ganyee Technology Co., Ltd.
Ningbo Ganyee Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Cold Chamber Die Casting Machine
Precision Die Casting
Auto Parts
CNC Machining
Aluminum Alloy
Spray Coating

Favorites

US$ 1-3 / Pieces
1 Pieces (MOQ)
Hebei Rich Pipe Fitting Mill Co., Ltd.
Hebei Rich Pipe Fitting Mill Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
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2 Year
2 Year
Round
Welding
Equal
Stainless Steel

Favorites

US$ 20-50 / Square Meter
500 Square Meters (MOQ)
Qingdao Steel Building Co., Ltd.
Qingdao Steel Building Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
Contact Now

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Installation Drawing, Installation Video
Bolt Connection
Wall Support
BS, ASTM, DIN, GB, En1090
Quality Carbon Structural Steel and Alloy Structural Steel
Design Plan Drawing, Install Shop Drawing

Favorites

US$ 10.4-25.5 / Piece
500 Pieces (MOQ)
Ningbo Ganyee Technology Co., Ltd.
Ningbo Ganyee Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Excavator, Lawnmower, Tractor, Ke Tan, Boat, Motorbike, Truck, Car
RoHS, TS16949, ISO 9001, CE
24 Months
Aluminum
Cold Chamber Die Casting Machine
Precision Die Casting

Favorites

US$ 1-3 / Pieces
1 Pieces (MOQ)
Hebei Rich Pipe Fitting Mill Co., Ltd.
Hebei Rich Pipe Fitting Mill Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
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2 Year
2 Year
Stainless Steel
Welding
1/2''-72''
Black Painting,Varnish Paint, Anti Rust Oil,etc.

Favorites

US$ 20-50 / Square Meter
500 Square Meters (MOQ)
Qingdao Steel Building Co., Ltd.
Qingdao Steel Building Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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2D &3D Installation Drawing& Install Video
Bolt Connection
Steel Column & Rafter,Purlin ,Tie Beam etc
Quality Carbon Structural Steel And Alloy Structural Steel
Hot Rolled & Weld
Wall Support

Favorites

US$ 9.2-24.4 / Piece
1000 Pieces (MOQ)
Ningbo Ganyee Technology Co., Ltd.
Ningbo Ganyee Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Cold Chamber Die Casting Machine
Precision Die Casting
Electronic Accessories
CNC Machining
Aluminum Alloy
Spray Coating

Favorites

US$ 15-45 / Square Meter
500 Square Meters (MOQ)
Qingdao Steel Building Co., Ltd.
Qingdao Steel Building Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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Installation Drawing, Installationvideo
Design Plan Drawing, Install Shop Drawing
80~280km Per Hour
30~200kg Per Sqm
7~9 Grade
ISO, CE, Third Party Inspect

Favorites

US$ 7.1-18.1 / Piece
500 Pieces (MOQ)
Ningbo Ganyee Technology Co., Ltd.
Ningbo Ganyee Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Cold Chamber Die Casting Machine
Precision Die Casting
Auto Parts
CNC Machining
Aluminum Alloy
Spray Coating
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Questions & Answers on Third Party Quality Control
Q
What are the advantages of purchasing steel pipes and tubes in wholesale quantities?
A
Enhance your Steel Pipe & Tube setup with our premium Third Party Quality Control.Bulk purchasing of steel pipes and tubes offers cost savings, availability in large quantities, and consistent product quality. Wholesale orders often come with discounts and customization options, allowing you to procure high-quality materials from trusted suppliers at competitive prices.
Q
What are the common types of steel used in manufacturing steel pipes and tubes?
A
Discover the perfect addition to your Steel Pipe & Tube with our Third Party Quality Control.Steel pipes and tubes are often made using carbon steel, stainless steel, and alloy steel. Each type offers unique properties, such as strength, corrosion resistance, and heat resistance. It is essential to consult with a reputable supplier for guidance on the best material for your specific applications.
Q
How can I find trustworthy suppliers of steel pipes and tubes in China?
A
Discover the perfect addition to your Steel Pipe & Tube with our Third Party Quality Control.When looking for reliable suppliers in China, consider using platform tools, attending industry exhibitions, and consulting business directories. Verify the supplier's qualifications, request samples, and conduct thorough due diligence to ensure product quality and delivery reliability.
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