Home Construction & Decoration Union Pipe Union Fitting Welding Union 2025 Product List

Welding Union

products found from  trusted manufacturers & suppliers

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US$ 2-15 / Piece
1 Piece (MOQ)
Changsha OROSION Metal Technology Ltd Company
Changsha OROSION Metal Technology Ltd Company
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Trading Company

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Yes
1 Year
DIN
Forged
DN25
Weld Union

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US$ 1-50 / Piece
100 Pieces (MOQ)
Wenzhou Long'an Flange Co., Ltd.
Wenzhou Long'an Flange Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO45001:2018, ISO14001
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MSS SP-83
Casting
DN80
Socket Union
Stainless Steel
Welding

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US$ 0.95-99 / Piece
100 Pieces (MOQ)
Suzhou TLH Pipe Fittings Co., Ltd
Suzhou TLH Pipe Fittings Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Jiangsu, China
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DIN, ANSI, GB, JIS, BSW
Iron
Welding
Blasting
Round
15 to 20 Business Days

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US$ 0.5-5 / Piece
1 Piece (MOQ)
Cangzhou Yulong Steel Co., Ltd.
Cangzhou Yulong Steel Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
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MSS SP-83
Forged
DN80
Socket Union
Stainless Steel
Welding

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US$ 0.1-1 / Piece
1 Piece (MOQ)
Zhejiang Ruoteng Valve Co., Ltd
Zhejiang Ruoteng Valve Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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5(5.0)

"On-time Delivery"
On-time Delivery
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3 Years
3 Years
JIS/DIN/ANSI/ASME
Casting
All Suit
Welded Union

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US$ 0.7-0.9 / Piece
20 Pieces (MOQ)
Zhejiang Yuzheng Valve Technology Co., Ltd.
Zhejiang Yuzheng Valve Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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MSS SP-83
Casting
DN15
Threaded Union
Stainless Steel
Female

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US$ 1.21-6.15 / Piece
50 Pieces (MOQ)
WENZHOU JIANHAO PIPE FITTING CO., LTD.
WENZHOU JIANHAO PIPE FITTING 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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BSPT
Casting
DN8-DN100
Threaded Union
Stainless Steel
Threaded Connection

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US$ 0.64-0.68 / Piece
300 Pieces (MOQ)
Shijiazhuang Shengshichang Trading Co., Ltd.
Shijiazhuang Shengshichang Trading Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
  • Trading Company

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5(4.0)

"Professional Service"
Professional Service
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24 Hours Online
3years
ISO
Casting
DN25
Threaded Union

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US$ 0.8-1 / Piece
20 Pieces (MOQ)
Zhejiang Yuzheng Valve Technology Co., Ltd.
Zhejiang Yuzheng Valve Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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Stainless Steel
Welding
Socket Welding Union
Socket Welding
Available
20PCS

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US$ 1.09-5.23 / Piece
50 Pieces (MOQ)
WENZHOU JIANHAO PIPE FITTING CO., LTD.
WENZHOU JIANHAO PIPE FITTING CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Stainless Steel
Threaded Connection
Carriage by Land
Casting
201/304
150lbs

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10 Pieces (MOQ)
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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GB3289.37,3298.38-82
Casting
ISO, DIN11850, DIN11851, SMS, Idf
Socket Union
Stainless Steel
Welding

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US$ 0.5-20 / Piece
1 Piece (MOQ)
Guangzhou Kingmetal Steel Industry Co., Ltd.
Guangzhou Kingmetal Steel Industry Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Guangdong, China
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SMS DIN Rjt Idf Ds
Welding
Stainless Steel
Welding
TUV, Ad, ISO.
15-30 Days After Down Payment

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US$ 7.8-30 / Piece
100 Pieces (MOQ)
Hengshui Runxi International Trade Co., Ltd.
Hengshui Runxi International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
  • Trading Company

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API 6A
Forged
DN25-DN100
Threaded Union
Steel
Threaded/Welded

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US$ 0.126-0.14 / Piece
1 Piece (MOQ)
ZHEJIANG WELFLOW VALVE CO., LTD
ZHEJIANG WELFLOW VALVE CO., LTD
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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Warranty Support
Male
Hexagon
External Thread
Nickle
Stainless Steel

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10 Pieces (MOQ)
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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GB3289.37,3298.38-82
Casting
ISO, DIN11850, DIN11851, SMS, Idf
Socket Union
Stainless Steel
Welding

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US$ 7.8-30 / Piece
100 Pieces (MOQ)
Hengshui Runxi International Trade Co., Ltd.
Hengshui Runxi International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
  • Trading Company

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API 6A
Forged
DN25-DN100
Threaded Union
Steel
Threaded/Welded

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US$ 0.5-5 / Piece
100 Pieces (MOQ)
Cangxian Qingchen Metal Products Co., Ltd.
Cangxian Qingchen Metal Products Co., Ltd.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
Secured Trading Service

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Yes
Yes
GB/DIN/ASTM
Casting/Forging/Pipe Processing
Customized
Threaded Union

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US$ 0.8-1 / Piece
20 Pieces (MOQ)
Zhejiang Yuzheng Valve Technology Co., Ltd.
Zhejiang Yuzheng Valve 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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5(5.0)

"Fast Dispatch"
Fast Dispatch
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GB3289.37,3298.38-82
Casting
DN80
Threaded Union
Stainless Steel
Welding / Male Thread

Favorites

US$ 1-8 / Piece
50 Pieces (MOQ)
Ningbo Bingley Industry and Trade Co., Ltd.
Ningbo Bingley Industry and Trade Co., Ltd.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Trading Company

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50 Years
50 Years
DIN
Injection Molding
25-63mm
Threaded Union

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US$ 0.8-2 / Piece
20000 Pieces (MOQ)
Ningbo ZENTEC Air Conditioning & Refrigeration Co., Ltd.
Ningbo ZENTEC Air Conditioning & Refrigeration Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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Medium Temperature Piping, Medium Temperature Piping
Medium Pressure Piping, Medium Pressure Piping
Copper Alloy, Copper Alloy
ASTM, DIN, JIS, ASME, ASTM, DIN, JIS
Gas, Gas
Round, Round

Favorites

US$ 3-10 / Piece
1 Piece (MOQ)
WENZHOU SANTHAI VALVE PIPE FITTING CO., LTD.
WENZHOU SANTHAI VALVE PIPE FITTING CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Online Service
2 Years
GB3289.37,3298.38-82
Forged
DN15-DN150
Threaded Union

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US$ 50-100 / Set
10 Sets (MOQ)
Luoyang Pioneer Anticorrosion Equipment Co., Ltd.
Luoyang Pioneer Anticorrosion Equipment Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Henan, China
  • Trading Company

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Chemical Transport
CE, ISO9001
Gray
mm
Standard Length
Pph

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US$ 0.8-1 / pieces
500 pieces (MOQ)
Zhejiang Deso New Building Material Co., Ltd
Zhejiang Deso New Building Material Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Welding
Equal
Round
90 Degree
Sch140
Stainless Steel

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US$ 0.5-3 / Piece
10 Pieces (MOQ)
Wenzhou Haide Fluid Equipment Co., Ltd
Wenzhou Haide Fluid Equipment Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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After Sale Service: 2 Years
After Sale 1 Years
SMS, DIN, 3A
Forged
1/2"-8"
Threaded Union

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US$ 5 / Piece
20 Pieces (MOQ)
Jipai Fluid Control Technology (Jiangsu) Co., Ltd.
Jipai Fluid Control Technology (Jiangsu) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
  • Manufacturer/Factory & Trading Company

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ANSI
Stainless Steel
Welding
Round
High Pressure
Gas

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US$ 1.39-3.29 / Piece
100 Pieces (MOQ)
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
  • 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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5(5.0)

"Fast Delivery"
Fast Delivery
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DIN, ANSI, GB, JIS
Carbon Steel
Welding
Nickel-Plated
Round
Hammer Union

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10 Pieces (MOQ)
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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DIN, 3A, SMS, Rjt, ISO
Forged
DN50
Threaded Union
Stainless Steel
Male

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US$ 0.9 / Piece
1000 Pieces (MOQ)
Zhejiang Mingshi Xingxin HVAC Technology Co., Ltd.
Zhejiang Mingshi Xingxin HVAC Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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Insurance
Over 15 Years
Straight
Welding
Brass
Female Straight

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US$ 0.3-10 / Piece
100 Pieces (MOQ)
Kanaifu Group (Shanxi) Piping Systems Co.
Kanaifu Group (Shanxi) Piping Systems Co.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shanxi, China
Secured Trading Service

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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Yes
2 Years
GB3289.37,3298.38-82
Casting
Customized
Socket Union

Favorites

US$ 10-50 / Piece
1 Piece (MOQ)
Donjoy Technology Co., Ltd.
Donjoy Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO45001:2018, ISO14001
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DIN/SMS
Casting
DN10-DN150
Union Nut
Stainless Steel
Welding
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Questions & Answers on Welding Union
Q
How can I find reputable suppliers of Union products in China?
A
Enhance your Union setup with our premium Welding Union.To identify trusted suppliers in China's construction industry, utilize online sourcing platforms, attend industry events, and consult with industry associations. It is vital to thoroughly vet suppliers' qualifications and insist on samples for evaluation.
Q
What advantages does wholesale sourcing of Union products offer to construction businesses?
A
The Welding Union is included in our comprehensive Union range.By sourcing Union products wholesale, construction businesses can benefit from cost efficiency, bulk purchasing options, and consistent product quality. Plus, wholesalers often provide discounts and customization services to meet specific project requirements.
Q
What types of Union products are commonly manufactured in the construction industry?
A
The Welding Union is classified under our comprehensive Union range.Union products in the construction industry range from Union fittings to Union joints and assemblies. These products are crucial for connecting components with precision and ensuring strong structural integrity.
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