Ningbo Dongheng Sealing Co., Ltd.

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Business Type:Manufacturer/Factory & Trading Company
R&D Capacity:Own Brand, OEM, ODM
Main Products:Sealing Materials, Spiral Wound Gasket, PTFE Tape, PTFE Gasket
Year of Establishment:2020-06-30
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Latest updates from this supplier
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Jun 23, 2025

New Products

Corrosion Resistant PTFE Wound Gasket for Long Lasting Sealing
To Be Negotiated
1 Piece (MOQ)

New Products

High Quality PTFE Wound Ring Joint Gasket for Extreme Sealing
To Be Negotiated
1 Piece (MOQ)

New Products

Industrial Flange Seal Ring Joint Gasket for Maximum Efficiency
To Be Negotiated
1 Piece (MOQ)

New Products

ASME B16.20 Metal Rtj Bx Octagonal Oval Flange Sealing Gasket
To Be Negotiated
1 Piece (MOQ)

New Products

ASME B16.20 Metal Gasket in White Box for Quality Assurance
To Be Negotiated
1 Piece (MOQ)

May 30, 2025

New Products

Machinery Seal ASME B16.20 Rtj Metal Rx R Bx Ring Joint Gasket
To Be Negotiated
1 Piece (MOQ)

New Products

Round Oval/Octagonal Rtj Ring Joint Gasket for All Flange Types and Sizes
To Be Negotiated
1 Piece (MOQ)

New Products

R11~R120 Size Metallic 304, 316, 321, 317, Soft Iron, Carbon Steel ASME B16.20 Rtj Ring Joint Gasket
To Be Negotiated
1 Piece (MOQ)

New Products

Oval Gasket, Octagon Gasket and The Lens Pad Metalic Ring Gasket Indlude The Full Range of R, Rx, Bx,
To Be Negotiated
1 Piece (MOQ)

New Products

Soft Iron/Carbon Steel Oval, Octagonal, Lens Type Metallic Ring Joint Gasket
To Be Negotiated
1 Piece (MOQ)

May 29, 2025

New Products

Oval, Octagonal, Lens Shape, Soft Iron/SS304 Material Ring Joint Gasket
To Be Negotiated
1 Piece (MOQ)

New Products

ASME B16.20 Oval Octagonl Shape Ring Joint Gasket with 304/316/Soft Iron Material
To Be Negotiated
1 Piece (MOQ)

New Products

ASME B16.20 Standard SS304/SS316/Monel/32750 Material Ring Joint Gasket
To Be Negotiated
1 Piece (MOQ)

New Products

ASME B16.20 Metal Ring Joint Gasket for Industrial Applications
To Be Negotiated
1 Piece (MOQ)

New Products

Ring Joint Gasket with 304 Material
To Be Negotiated
1 Piece (MOQ)

May 28, 2025

New Products

304, 316, Soft Iron Octagonal Ring Joint Gasket for Effective Sealing in High Pressure
To Be Negotiated
1 Piece (MOQ)

New Products

Oval/Octagonal/Lens/IX Type Ring Joint Gasket in ASME B16.20 Standard
To Be Negotiated
1 Piece (MOQ)

May 27, 2025

New Products

API R/Rx/Bx/IX Metal Ring Gasket/Octagonal/Oval Ring Joint Gasket
To Be Negotiated
1 Piece (MOQ)

New Products

Durable Flange Seal Oval Octagonal IX Ring Joint Gasket for Heavy-Duty Industrial Use
To Be Negotiated
1 Piece (MOQ)

New Products

Oval/Octagonal/IX/Lens Type Ring Joint Gasket for Optimal Flange Sealing
To Be Negotiated
1 Piece (MOQ)

New Products

ASME B16.20 Certified Metal Rx R Bx IX Ring Joint Gasket
To Be Negotiated
1 Piece (MOQ)

New Products

Oval/Octagonal/Lens/IX Type Ring Joint Gasket in ASME B16.20 Standard
To Be Negotiated
1 Piece (MOQ)

May 21, 2025

New Products

Carbon Steel Outer Ring Spiral Wound Gasket for DN15 to DN10000 Applications
US $0.1 / Piece
1 Piece (MOQ)

May 07, 2025

New Products

PTFE-Bonded EPDM Gasket Full Face RF Excellent Resistance Long Life
US $0.1 / Piece
1 Piece (MOQ)

New Products

Reliable PTFE EPDM Rubber Gasket for DN15 to DN2000 Specifications
US $0.1 / Piece
1 Piece (MOQ)

New Products

PTFE Bonded EPDM Rubber Gasket Full Face Raised Face Reliable Performance
US $0.1 / Piece
1 Piece (MOQ)

New Products

PTFE Rubber Bonded Gasket Full Face Raised Face Excellent Resistance Long Life
US $0.1 / Piece
1 Piece (MOQ)

New Products

Reliable PTFE Bonded Rubber Gasket for Long Lasting Full Face Applications
US $0.1 / Piece
1 Piece (MOQ)

May 05, 2025

New Products

3" 600# Spiral Wound Gasket, Semi Metallic Gasket Made From PTFE
US $0.1 / Piece
1 Piece (MOQ)

New Products

Monel Spiral Gasket for Chemical and Corrosion Resistance
US $0.1 / Piece
1 Piece (MOQ)

New Products

Trusted Quality Metal Spiral Wound, Semi-Metallic, Spiral Gasket for Industry
US $0.1 / Piece
1 Piece (MOQ)

New Products

Flexible Spiral Wound Gasket with 321 Hoop and Mica Filler
US $0.1-0.2 / Piece
1 Piece (MOQ)

New Products

ASME B16.20 Spiral Wound Gasket with 304 Inner Ring Material
US $0.1-0.2 / Piece
1 Piece (MOQ)

May 02, 2025

New Products

Mica Gasket En1514-2 with Heavy-Duty Ss347 Winding Options
US $0.1 / Piece
1 Piece (MOQ)

New Products

En1514-2 Ceramic Gasket with Ss317 Winding for Chemical Resistance
US $0.1 / Piece
1 Piece (MOQ)

New Products

Premium En1514-2 Ceramic Gasket with Inconel Winding for High Pressure
US $0.1 / Piece
1 Piece (MOQ)

New Products

ASME B16.20 Graphite Gasket with Durable Inconel Winding Options
US $0.1 / Piece
1 Piece (MOQ)

New Products

Mica Gasket En1514-2 with Durable SS304 and SS316 Options
US $0.1 / Piece
1 Piece (MOQ)

Apr 27, 2025

New Products

High Quality White Color PTFE Gasket for Flange and Valve Sealing
To Be Negotiated
1 Piece (MOQ)

New Products

White Round PTFE Gasket with Rib for High-Temperature Flange Sealing
To Be Negotiated
1 Piece (MOQ)

New Products

High-Quality Non-Asbestos Rubber Fiber Gasket for RF FF Flanges
To Be Negotiated
1 Piece (MOQ)

New Products

Blue Non-Metallic Aramid Gasket for En1512-1 Flange Standards
To Be Negotiated
1 Piece (MOQ)

New Products

Reliable Soft Seal Gasket for High-Temperature Flange Applications
To Be Negotiated
1 Piece (MOQ)