Ningbo Industry Seals Factory
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Ningbo Leap Seals Industry Co., Ltd.
🇨🇳 China
200311-50 peopleManufacturer/Trading Company/Service Company/Wholesaler/DistributorEstablished brand
OEM manufacturer
ODM manufacturer
Own brand
Shipments
29
Key customer
MALAVAZI VEDACOES
Key market
Asia
Description
Ningbo 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.
100% Virgin Pure Soft Expanded PTFE Sheet$1
Braided Gland PTFE Packing for Valve Seal$1
Asbestos Free Rubber Sheet for Oil Seal Gasket$1
ANSI Ring Type Joint Gasket Rtj for Flange$0.5
Metal Cammprofile Gasket with Integral Center Ring$0.5
Flange Insulation Gasket Kit$0.5
Isolation Gasket Kit for Flange$0.5
Pure PTFE Packing$1
ASME Graphite and Ss Spiral Wound Gasket (Carbon steel Outer Ring)$0.5
Spiral Wound Gasket Used for Flange Valve Jont Seal$0.5
Expanded Pure Graphite Ring Gasket$1
R26 R30 R31 Oct&Oval Ring Joint Gasket Made of 321ss, 347ss$0.5
Cary Mechanical Seal Factory
🇨🇳 China
2013101-200 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Low MOQ
Key market
North America
Description
Cary Mechanical Seal Factory, also known as Cary Industry Co. Ltd., is an advanced designer, manufacturer, and trading company specializing in mechanical seals, based in Ningbo, Zhejiang, China. Established in 2013, the company operates a 3200 square meter production facility and employs between 101 and 200 people, including a strong R&D team with PhD engineers. They offer OEM services and personalized product design and optimization. Their extensive product range includes industrial pump mechanical seals, mixer and agitator seals, cartridge seals, metal bellows seals, auto cooling pump seals, auto air-condition compressor lip seals, O-ring mechanical seals, PTFE wedge mechanical seals, and elastomer bellow seals. Cary Mechanical Seal Factory's products are designed to replace seals from brands such as John Crane, Burgmann, AES, and Flowserve, and are widely used in petroleum, chemistry, refinery, paper making, pharmacy, power, and automotive industries. The company holds certifications including GS, CE, ISO 9001, and ISO 9000, demonstrating their commitment to quality and international standards.
Silicon Carbide Products Goods$10
Carbon Graphite Products$1
Type 103 Single Spring Mechanical Seal$1
