Ningbo Leap Seals Industry Co., Ltd.
Ningbo Leap Seals Industry Co., Ltd.
🇨🇳 China, Zhejiang
200311-50 peopleManufacturer/Trading Company/Service Company/Wholesaler/DistributorNingbo Leap Seals Industry Co., Ltd., also known as China Ningbo Seal and Gasket Co., Ltd., is a prominent manufacturer and exporter of high-performance sealing solutions based in Ningbo, China. Established in 2003, the company has grown into a specialized provider of mechanical seals, gaskets, and industrial components, operating with ISO 9001 certification to ensure rigorous quality control standards. The company maintains a significant production capacity, capable of producing over 20,000 sets of complete mechanical seals and 100,000 sealing rings annually.
Their extensive product portfolio includes elastomer bellows seals, O-ring seals, metal bellows seals, cartridge seals, and vessel seals. They also specialize in a wide range of gaskets, such as spiral wound, ring type joint (RTJ), kammprofile, and metal jacketed gaskets, alongside braided gland packings and PTFE products. These components are manufactured using high-grade materials including silicon carbide, tungsten carbide, industrial ceramics, stainless steel, and flexible graphite. Their products are engineered to meet international standards such as ASME, BS, JIS, EN, and DIN.
As a terminal technology solver for mechanical seal faces, the company offers robust OEM and ODM capabilities, providing customized sealing rings, sleeves, and complex irregular parts based on client drawings. Their solutions serve a diverse range of industries, including petroleum, chemical processing, electric power, shipping, metallurgy, pharmacy, and food machinery. With a strong focus on international trade, Ningbo Leap Seals exports to major markets across North America, Europe, South America, and the Middle East, positioning itself as a reliable partner for both standard stock items and bespoke industrial sealing requirements.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
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100% Virgin Pure Soft Expanded PTFE Sheet
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100% Virgin Pure Soft Expanded PTFE Sheet, Find Details and Price about Soft Expanded PTFE Teflon Sheet Mineral Fiber Rubber Sheet from 100% Virgin Pure Soft Expanded PTFE Sheet - China Ningbo Seal & Gasket Co., Ltd.$1
Braided Gland PTFE Packing for Valve Seal
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Braided Gland PTFE Packing for Valve Seal, Find Details and Price about Braided Gland Packing Braided Gland Packing Ring from Braided Gland PTFE Packing for Valve Seal - China Ningbo Seal & Gasket Co., Ltd.$1
Asbestos Free Rubber Sheet for Oil Seal Gasket
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Asbestos Free Rubber Sheet for Oil Seal Gasket, Find Details and Price about Rubber Sheet Oil Resistance Klinger Gasket Sheet from Asbestos Free Rubber Sheet for Oil Seal Gasket - China Ningbo Seal & Gasket Co., Ltd.$1
ANSI Ring Type Joint Gasket Rtj for Flange
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ANSI Ring Type Joint Gasket Rtj for Flange, Find Details and Price about Flange Joint Ring Oil Pile Sealing from ANSI Ring Type Joint Gasket Rtj for Flange - China Ningbo Seal & Gasket Co., Ltd.$0.5
Metal Cammprofile Gasket with Integral Center Ring
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Metal Cammprofile Gasket with Integral Center Ring, Find Details and Price about Metal Kammprofile Metal Camprofile from Metal Cammprofile Gasket with Integral Center Ring - China Ningbo Seal & Gasket Co., Ltd.$0.5
Flange Insulation Gasket Kit
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Flange Insulation Gasket Kit, Find Details and Price about Isolation Kit from Flange Insulation Gasket Kit - China Ningbo Seal & Gasket Co., Ltd.$0.5
Isolation Gasket Kit for Flange
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Isolation Gasket Kit for Flange, Find Details and Price about Isolating Kit from Isolation Gasket Kit for Flange - China Ningbo Seal & Gasket Co., Ltd.$0.5
Pure PTFE Packing
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Pure PTFE Packing, Find Details and Price about Braided Gland Packing Braided Gland Packing Ring from Pure PTFE Packing - China Ningbo Seal & Gasket Co., Ltd.$1
ASME Graphite and Ss Spiral Wound Gasket (Carbon steel Outer Ring)
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ASME Graphite and Ss Spiral Wound Gasket (Carbon steel Outer Ring), Find Details and Price about Seal Sealing from ASME Graphite and Ss Spiral Wound Gasket (Carbon steel Outer Ring) - China Ningbo Seal & Gasket Co., Ltd.$0.5
Spiral Wound Gasket Used for Flange Valve Jont Seal
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Spiral Wound Gasket Used for Flange Valve Jont Seal, Find Details and Price about Gasket Flange Sealing from Spiral Wound Gasket Used for Flange Valve Jont Seal - China Ningbo Seal & Gasket Co., Ltd.$0.5
Expanded Pure Graphite Ring Gasket
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Expanded Pure Graphite Ring Gasket, Find Details and Price about Expanded Graphite Ring Flexible Graphite Seal from Expanded Pure Graphite Ring Gasket - China Ningbo Seal & Gasket Co., Ltd.$1
R26 R30 R31 Oct&Oval Ring Joint Gasket Made of 321ss, 347ss
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R26 R30 R31 Oct&Oval Ring Joint Gasket Made of 321ss, 347ss, Find Details and Price about Flange Joint Ring Pipe Seal from R26 R30 R31 Oct&Oval Ring Joint Gasket Made of 321ss, 347ss - China Ningbo Seal & Gasket Co., Ltd.$0.5Customers
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Ningbo Quantum Seal Co., Ltd.
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Description
Ningbo Quantum Seal Co., Ltd., operating under the brand QuanSeaL®, is a specialized manufacturer and trading company based in Yuyao, China. Established in the early 2000s, the company has grown into a professional provider of high-performance sealing solutions, operating a 6,500 square meter facility equipped with advanced CNC machines, PTFE moulding equipment, and sinter furnaces. With a workforce of approximately 50 to 100 employees, the company maintains a strong focus on research and development, achieving an annual output value between US$5 million and US$10 million.
The company specializes in the development and production of PTFE (Polytetrafluoroethylene) products designed to withstand extreme temperature, wear, pressure, and chemical exposure. Their extensive product portfolio includes Spring Energized PTFE Seals, rotary shaft lip seals, PTFE O-rings, backup rings, piston rings, and specialized components like PEEK ball valve seats and UHMWPE seals. These products serve critical applications in automobile engines, power steering gears, industrial pumps, reaction kettles, and blending machines.
As a contract manufacturer and ODM provider, Ningbo Quantum Seal offers comprehensive customization services, including design-based and sample-based production. Their commitment to quality is demonstrated through IATF 16949 and ISO 9001 certifications, supported by a dedicated QA/QC team and rigorous testing protocols. The company has established a significant international presence, exporting its sealing solutions to major markets across North America, Europe, and Asia, and has been recognized as a supplier for institutions such as the Changchun Automobile Institute.
PTFE SEAL PTFE Diaphragm$0.3
PTFE SEAL LIPS for SEALS$0.15
SPRING PTFE SEAL HSS$1
Quanseal PTFE Spring Seal LWL-R Size 1-1900$1.5
Quanseal PTFE Oil Seal-Model WLH$1
PTFE SEAL PTFE Oil Seal-DLS$1.5
PTFE Back-Up Ring for Mechanical Applications PTFE Seal$0.2
Nylon Seals-Premium Bushing for Optimal Performance$0.7
Quanseal PTFE Oil Seal DLP$1.5
Ptfe Seal Spring Oring$0.15
PTFE SEAL Ptfe Backup Ring Spiral$0.1
Ptfe Seal Oil Seal-HP-DLSP$1.5
