Home Construction & Decoration Union Pipe Union Fitting Standard Unions 2025 Product List

Standard Unions

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US$ 0.01 / Piece
1 Piece (MOQ)
Zhejiang Liutong Plastics Co., Ltd.
Zhejiang Liutong Plastics Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO45001:2018, ISO9001:2015
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PVC-U
Socket / Thread / Flange
From 1/2" to 8" (20mm to 180mm)
White / Grey / Blue / as Per Your Request
Manual
Water

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US$ 1 / Piece
500 Pieces (MOQ)
Ningbo Qianxiang Huiya International Trade Co., Ltd.
Ningbo Qianxiang Huiya International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Glue
Equal, Reducer, Coupling, Tee, Cross, Cap
Round
45deg, 90deg
Pn16
UPVC, PVC

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US$ 0.271 / Piece
1 Piece (MOQ)
Tianjin Runke Plastic Tech Co., Ltd.
Tianjin Runke Plastic Tech Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Tianjin, China
  • Manufacturer/Factory & Trading Company

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DIN, ANSI, GB, JIS
PVC
Female
Without Treatment
Round
PVC Union

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US$ 0.25 / Piece
1000 Pieces (MOQ)
Ningbo Salvador Piping System Co., Ltd.
Ningbo Salvador Piping System Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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One Year Guarantee
One Year Guarantee
Sch80
Injection
DN15-DN50
Socket Union

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US$ 0.19-7.8 / Piece
100 Pieces (MOQ)
CHANGZHOU XITA PLASTIC CO., LTD.
CHANGZHOU XITA PLASTIC CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, China
  • Manufacturer/Factory & Trading Company

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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GB3289.37,3298.38-82
Casting
DN40
Socket Union
UPVC
Glue Socket

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US$ 0.15 / Piece
100 Pieces (MOQ)
NINGBO RONGPENG INTERNATIONAL TRADING CO., LTD.
NINGBO RONGPENG INTERNATIONAL TRADING CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Trading Company

  • Others
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3 Years
3 Years
GB3289.37,3298.38-82
Casting
DN80
Socket Union

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US$ 0.6552-1.015 / Piece
100 Pieces (MOQ)
ERA PIPING (ZHEJIANG) CO.,LTD.
ERA PIPING (ZHEJIANG) CO.,LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory

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50 Years
50 Years
DIN
Inject
DN80
Threaded Union

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US$ 0.14-0.2 / Piece
1000 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
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5(5.0)

"Fast Dispatch"
Fast Dispatch
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Water Pipe
Flange
Trapezoid
Internal Thread
Polish
Copper, Copper Alloy

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US$ 5 / Set
10 Sets (MOQ)
Shandong Rosenwell Petroleum Technology Co., Ltd.
Shandong Rosenwell Petroleum Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
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1 Year
ISO 9001:2000
Pneumatic
Atmospheric Pressure
Stainless Steel
Mud Tank

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US$ 0.67-3.41 / Piece
1 Piece (MOQ)
Zhejiang Shuiyou Pipeline Valve Co., Ltd.
Zhejiang Shuiyou Pipeline Valve Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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12 Months
GB3289.37,3298.38-82
PVC
DN20
PVC Union
Plastic

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US$ 1-30 / Piece
20 Pieces (MOQ)
3S International Company Limited
3S International Company Limited
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, China
Secured Trading Service

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5(5.0)

"Awesome Customer Service"
Awesome Customer Service
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Forged
Threaded Union
Stainless Steel
Female
Forged Female Thread Pipe Union
1/8"-4"

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US$ 2.4-2.6 / Piece
10 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)

"On-time Delivery"
On-time Delivery
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GB3289.37,3298.38-82
Casting
DN20
Socket Union
Stainless Steel
Welding

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US$ 0.14-4.3 / 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
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5(5.0)

"Fast Dispatch"
Fast Dispatch
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Guarantee Refund or Replacement (of Faulty or Unsa
2 Years
GB3289.37,3298.38-82
Casting
Threaded Union
Malleable Iron

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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$ 50 / Piece
1 Piece (MOQ)
Dongying Lake Petroleum Technology Co., Ltd.
Dongying Lake Petroleum Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Trading Company

Secured Trading Service

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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Stainless Steel
Welding
Painting
Plywood Case
1''- 8'', 1000psi,
Qingdao, China

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US$ 2.8-3 / Piece
1 Piece (MOQ)
Wenzhou Longva Light Industrial Machinery Co., Ltd.
Wenzhou Longva Light Industrial Machinery 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)

"Fast Dispatch"
Fast Dispatch
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1 Year
SMS, DIN, Rjt, ISO, Idf
Forging, CNC Machine
DN15 - DN150, 1/2" - 6"
Threaded Union
Stainless Steel

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US$ 0.1-5 / Piece
1 Piece (MOQ)
WENZHOU LIANGGANG PIPE FITTING VALVES CO., LTD.
WENZHOU LIANGGANG PIPE FITTING VALVES 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)

"Fast Dispatch"
Fast Dispatch
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Casting
Threaded Union
Stainless Steel
Female
Carton and Wooden Pallet
1/8"-4"

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US$ 0.18-0.2 / Piece
1000 Pieces (MOQ)
Zhejiang Liutong Plastics Co., Ltd.
Zhejiang Liutong Plastics Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO45001:2018, ISO9001:2015
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ASTM
Inject
DN40
Socket Union
PVC
Flange

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US$ 0.271 / Piece
1 Piece (MOQ)
Tianjin Runke Plastic Tech Co., Ltd.
Tianjin Runke Plastic Tech Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Tianjin, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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DIN ANSI JIS BS Standard
DN15-DN100 ( 1/2"-4" )
DIN ANSI JIS BS Standard DN15-DN100 ( 1/2"-4" )
Injection
Full Bore Union
Threaded Union

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US$ 0.19-7.8 / Piece
100 Pieces (MOQ)
CHANGZHOU XITA PLASTIC CO., LTD.
CHANGZHOU XITA PLASTIC CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, 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
DN40
Socket Union
UPVC
Glue Socket

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US$ 0.2-1 / Piece
500 Pieces (MOQ)
Ningbo Qianxiang Huiya International Trade Co., Ltd.
Ningbo Qianxiang Huiya International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Socket and Thread
Equal, Reducer, Coupling, Tee, Cross, Cap
Round
5deg, 90deg
Pn16
UPVC, PVC

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US$ 2.358-3.955 / Piece
50 Pieces (MOQ)
ERA PIPING (ZHEJIANG) CO.,LTD.
ERA PIPING (ZHEJIANG) CO.,LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory

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50 Years
50 Years
BS
Inject
Socket Union
PVC

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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

Secured Trading Service

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5(4.0)

"Excellent Job"
Excellent Job
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24 Hours Online
3years
ISO
Casting
DN25
Threaded Union

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

  • ISO45001:2018, ISO9001:2015
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ASTM
Inject
Socket Union
PVC-U
Glue
1-1/4" to 6"

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US$ 0.271 / Piece
1 Piece (MOQ)
Tianjin Runke Plastic Tech Co., Ltd.
Tianjin Runke Plastic Tech Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Tianjin, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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DN15-DN100 ( 1/2"-4" ) DIN ANSI JIS BS Standard
DIN ANSI JIS BS Standard
DN15-DN100 ( 1/2"-4" ) DIN ANSI JIS BS Standard
Injection
DN15-DN100 ( 1/2"-4" ) DIN ANSI JIS BS Standard
PVC Union

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US$ 0.3-14 / Piece
500 Pieces (MOQ)
CHANGZHOU XITA PLASTIC CO., LTD.
CHANGZHOU XITA PLASTIC CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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BS Eniso1452
Injected
DN15~DN100
Socket Union
PVC-U
Socket

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US$ 0.054 / Piece
10000 Pieces (MOQ)
Taizhou Zhuoxin Plastics Co., Ltd.
Taizhou Zhuoxin Plastics Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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MSS SP-83
Seamed
DN65
Socket Union
Plastic
Glue

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US$ 0.2-1 / Piece
1000 Pieces (MOQ)
Ningbo Qianxiang Huiya International Trade Co., Ltd.
Ningbo Qianxiang Huiya International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Equal, Reducer, Coupling, Tee, Cross, Cap
Glue
PVC
Tee, Elbow, Cross, Cap and So on
90°Tee
Round

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5 Boxes (MOQ)
ERA PIPING (ZHEJIANG) CO.,LTD.
ERA PIPING (ZHEJIANG) CO.,LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory

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DIN, ANSI, GB, JIS, BSW
Plastic
Welding
Injection
Round
UPVC Union

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US$ 0.271 / Piece
1 Piece (MOQ)
Tianjin Runke Plastic Tech Co., Ltd.
Tianjin Runke Plastic Tech Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Tianjin, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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DIN JIS Standard
DN15-DN100 ( 1/2"-4" )
DN15-DN100 ( 1/2"-4" ) DIN JIS Standard
Injection
DN15-DN100 ( 1/2"-4" ) DIN JIS Standard
Threaded Union
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Questions & Answers on Standard Unions
Q
How can I find reputable suppliers of Union products in China?
A
The Standard Unions is a key item within our extensive Union selection.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 types of Union products are commonly manufactured in the construction industry?
A
Enhance your Union setup with our premium Standard Unions.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.
Q
What advantages does wholesale sourcing of Union products offer to construction businesses?
A
Our Standard Unions offers exceptional quality and style within the Union category.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.
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