Longhua Sealing Material Co., Ltd.
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Daqing Longhuaxin Industry Head Company (Valve Sealing Material Factory)
🇨🇳 China
200511-50 peopleManufacturerEstablished brand
Industry association member
Key customer
CHINA NATIONAL PETROLEUM CORP
Description
Daqing Longhuaxin Industry Head Company (Valve Sealing Material Factory) is a Chinese manufacturer specializing in sealing products, sealing equipment pipe fittings, chemical stuffing, heat preservation material, and related petrochemical accessories. Established in 2005, the company operates a factory and employs 11 to 50 people. As an appointed enterprise of China National Petroleum Corporation, it possesses strong technical capabilities in the study, development, and production of sealing products. The company offers a wide range of products including Expanded Graphite Stuffing Rings, Expanded Graphite Belt Sealing Spacers, Expanded Polytetrafluoroethylene (PTFE) Sealing Belts, Expanded Graphite Compound Boards, Polytetrafluoroethylene (PTFE) Sealing Spacers, Polytetrafluoroethylene (PTFE) Jacketed Spacers, Metal Jacketed Spacers, Reinforced Expanded Graphite Spacers, and Metal Winding Spacers. These products are widely utilized in petroleum, petrochemical, electrical power, metallurgy, machinery, and pharmaceutical industries for sealing, heat preservation, energy saving, and production enhancement in machine pumps, pipe valve pressure containers, and reaction towers. Daqing Longhuaxin Industry Head Company is ISO 9001 certified and holds safety registration and quality certifications from the State Bureau of Technical Supervision, ensuring stable performance and reliable quality.
Reinforced Expanded Graphite Spacer
Metal Jacketed Spacer
Expanded Graphite Belt Sealing Spacer
Expanded Graphite Compound Board
Expansion Graphite Stuffing Ring
Expansion Graphite Stuffing Ring
Metal Winding Spacer
Expanded Polytetrafluoroethylene (PTFE) Sealing Belt
Polytetrafluoroethylene (PTFE) Jacketed Spacer
Harbin Shilong Sealing Materials Co., Ltd.
🇨🇳 China
200611-50 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Low MOQ
Eco-friendly supplier
Key market
Africa
Description
Harbin Shilong Sealing Materials Co., Ltd. is a high-tech manufacturer and trading company established in 2006, specializing in the research, development, and production of high-performance sealing solutions for the fluid industry. Headquartered in Harbin, Heilongjiang Province, the company operates a 4,000 square meter factory equipped with over 10 production lines. With a workforce of approximately 50 employees, the firm maintains an annual output value between US$10 million and US$50 million and holds its own export license to serve global markets, including partnerships with Fortune 500 companies. The company's extensive product portfolio includes spiral wound gaskets, heat exchanger gaskets, metal jacketed gaskets, ring joint gaskets, and kammprofile gaskets. They also provide specialized materials such as flexible graphite rings, PTFE cushion gaskets, stainless steel strips, and non-metallic filled tapes. These products are widely utilized across the petrochemical, power, metallurgy, shipbuilding, and machinery manufacturing sectors. Harbin Shilong Sealing Materials Co., Ltd. offers comprehensive OEM and ODM services, supported by in-house R&D capabilities and its proprietary brand, 'shilongseals'. The company is committed to international quality standards, holding ISO 9001:2015, ISO 14001, and ISO 45001:2018 certifications.
PTFE Spiral Wound Gasket
Flexible Graphite Ring Gasket for Valve$5
Flexible Graphite Spiral Wound Gasket$0.5
Asbestos-Free Rubber/Non-Asbestos Gasket$0.5
