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Hebei De'en Sealing Materials Co., Ltd.
Business License
Main Products: Spiral Wound Gasket, serrated metal gasket, Tetrafluorideplate, Polyurethane Insulated Steel Pipe
Company Overview
Hebei De'en Sealing Materials Co., Ltd.
Hebei De'en Sealing Materials Co., Ltd. is a large-scale enterprise integrating professional production, sales and R&D. It currently employs more than 130 staff and serves as a director unit of the Professional Branch of Mechanical Seals and Packing Static Seals of China.
The company is equipped with complete supporting equipment including large laser cutters, advanced automatic sealing gasket production lines, flexible graphite sheet and coil production lines, precision slitting machines, spectrum analyzers, and test benches for gasket compression, rebound and leakage rate. These facilities support full-process testing and standardized production procedures covering raw material processing to finished product manufacturing.
Adopting high-quality expanded graphite as the primary raw material, De'en specializes in manufacturing graphite products such as metal spiral wound gaskets, graphite composite gaskets, graphite packing and graphite coils, as well as mechanical sealing products including PTFE goods, asbestos rubber products, aramid fiber, carbon fiber and nickel-based packing, metal ring gaskets and stainless steel sealing parts. All products have passed one-time inspection at the National Center for Quality Supervision and Testing. After years of development, our products are widely applied in petroleum, petrochemical, new energy, iron and steel metallurgy, chemical, electric power, food, pharmaceutical, scientific research and other industries.
Backed by abundant capital, an efficient R&D team and rigorous production processes, the company boasts high-quality staff, long-term strategic planning, a continuously improved and stable marketing system and pragmatic corporate culture, striving to build a top-tier professional sealing enterprise. We sincerely seek cooperation with manufacturers at home and abroad. Relying on our advantages in resources, talents and technology, we provide premium services to customers and meet their diverse demands from all dimensions and levels.
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ManufacturerBusiness Type
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2018Year Established
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10,000-30,000 square metersFactory Size
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Above US$100 MillionAnnual Export Value
Featured Products
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PTFE Gasket With Holes, National Standard Flange Multi-hole PTFE Sealing GasketNegotiableMOQ: 100 Blades -
Red Steel Paper Gasket Insulation Flat Washer Red Mica Quick Connector Paper WasherNegotiableMOQ: 100 Blades
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Nylon Washer Black Plastic Flat Washer Insulating Shock-absorbing Wear-resistant Self-lubricatingNegotiableMOQ: 100 Blades
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Perforated Graphite Composite Gasket 304 Stainless Steel Reinforced High Temperature and High Pressure Flange Gasket Boiler SteamNegotiableMOQ: 100 Blades
PTFE Filter Gasket With Stainless Steel Mesh; PTFE Filter Sealing Gasket With Stainless Steel Mesh
Negotiable
MOQ: 100 Blades
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Metal Reinforced PTFE PTFE Gasket Chemical Corrosion Resistant GasketNegotiableMOQ: 100 Blades
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Reinforced Metal Winding Gasket 304 Stainless Steel Flange Sealing GasketNegotiableMOQ: 100 Blades
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Filter Mesh Winding Gasket 304 Stainless Steel Inner and Outer Ring GasketNegotiableMOQ: 100 Blades
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Pure Aluminum Gasket Soft Aluminum Flat Washer 0.1-3mm High Temperature Resistant Sealing Aluminum WasherNegotiableMOQ: 100 Blades
Metal Octagonal Ring Gasket Oval Gasket 304/316L Stainless Steel Metal Ring Gasket RJ Flange Gasket
Negotiable
MOQ: 100 Blades
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Basic Metal Spiral Wound Gasket 304 Graphite Spiral Wound Gasket Tongue and Groove FlangeNegotiableMOQ: 100 Blades
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Metal Graphite Spiral Wound Gasket High Temperature Flange Pipe Sealing GasketNegotiableMOQ: 50 Blades
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Stainless Steel Flexible Graphite Corrugated Composite Gasket Irregular Thick Reinforced High Temperature and High Pressure Sealing GasketNegotiableMOQ: 100 Blades
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304 Stainless Steel Oval Metal Ring Gasket RJ Flange Oval Gasket High Pressure and High Temperature Resistant Sealing WasherNegotiableMOQ: 10 Units
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Elastic Expanded PTFE Gasket Soft Teflon Gasket Pipe Flange Sealing Gasket High and Low Temperature Corrosion Resistant Ready Stock Custom MadeNegotiableMOQ: 25 Units
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Metal Lens Gasket, No-hole and With-hole Lens Gasket, High-pressure Angle Valve Hydrogen Pipeline Flange Sealing Gasket Custom-madeNegotiableMOQ: 25 Units
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Metal Serrated Gasket | Wave Profile Composite Gasket for High Temperature and High Pressure Flange SealingNegotiableMOQ: 100 Blades
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High Temperature and High Pressure Octagonal Ring Joint Gasket Oval Flange Gasket Carbon Steel 304 316 Stainless SteelNegotiableMOQ: 1 Unit
Product Categories
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All Products
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PTFE
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metal seal ring
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graphite products
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Ceramic fiber products
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rubber products
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copper washer; aluminum washer
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fireproof cotton
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thermal insulation pipe
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Asbestos board
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Flexible Graphite Packing Ring Valve Stem Sealing Ring High Temperature and High Pressure 304 Stainless Steel Reinforced Graphite Self-sealing RingNegotiableMOQ: 50 Units
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Metal PTFE Spiral Wound Gasket; Acid and Alkali Resistant Flange Sealing GasketNegotiableMOQ: 50 Blades
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High-temperature Resistant Metal-clad Gasket; Boiler Flange Steel-clad GasketNegotiableMOQ: 50 Blades
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Fluorine Rubber O-ring High Temperature and Acid-alkali Resistant Chemical Hydraulic Cylinder Valve Corrosion ResistantNegotiableMOQ: 100 Units
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Thickened Barley Paper 0.8/1/1.5/2mm Oil Cylinder Sealing Gasket Machine Tool Metal Spacer Wear-resistant Barley ShellNegotiableMOQ: 100 Units
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Adhesive-backed PTFE Sealing Strip; Rough Irregular Flange Filling SealNegotiableMOQ: 100 Kilograms
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Aramid Packing, High-strength Wear-resistant Slurry Pump Agitator Shaft Seal PackingNegotiableMOQ: 100 Kilograms
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EPDM Rubber Sheet, Acid and Alkali Resistant, High Temperature Resistant, Weather Resistant, Waterproof, Insulating, Anti-slip, Outdoor Special RubberNegotiableMOQ: 50 Kilograms
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PTFE Packing Acid and Alkali Resistant Food Pump and Valve Sealing PackingNegotiableMOQ: 50 Kilograms
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Carbon Fiber Packing; PTFE Graphite Carbon Fiber Packing; Water Pump and Valve Wear-resistant High-temperature Sealing Packing RopeNegotiableMOQ: 100 Kilograms
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Quality ControlHebei Dean Sealing Co., Ltd. has established a full-process quality control system equipped with professional testing equipment and inspectors. Every link from raw material incoming inspection, production processing to finished product delivery is strictly checked in accordance with ISO9001 standards to control the precision of each process and ensure stable and reliable performance of all kinds of sealing gaskets and packing products -
Our ServicesOur core product lineup includes: spiral wound gaskets in large-diameter, basic, inner & outer reinforced types, composed of (304 stainless steel + graphite/asbestos) or (316L stainless steel + PTFE). We also supply metal jacketed gaskets, serrated gaskets, wave-tooth composite gaskets, corrugated composite gaskets, high-strength graphite composite gaskets, graphite sheets, graphite packing rings and graphite packing. Our product range further covers PTFE, carbon fiber, aramid fiber and other related products, as well as formed stainless steel strips (specifications: 3.2, 4.5). We also fabricate and sell inner and outer rings made of 304 stainless steel and A3 carbon steel. -
Company History1. In 2019, the company expanded its product line continuously, adding production of serrated gaskets, wave-tooth composite gaskets, metal jacketed gaskets, formed stainless steel strips as well as inner and outer rings, and completed the full-range manufacturing capacity of both metallic and non-metallic sealing parts. 2. In December 2020, we completed the industrial and commercial modification of business scope, expanded the scope of processing and sales, added supporting sales of thermal insulation and fireproof materials, and extended the upstream and downstream supply chain. 3. Meanwhile, a quality inspection system was established. We initiated the application for ISO9001 Quality Management System Certification and purchased precision dimension testing equipment as well as material temperature and pressure resistance testing instruments, realizing full-process quality inspection covering incoming raw materials, production and finished products. -
Our TeamHebei Dean Sealing Co., Ltd. boasts a professional team with solid experience in the sealing industry. It brings together technicians engaged in R&D, production, quality inspection and sales, including skilled craftsmen with extensive hands-on experience. The team works in close coordination and exercises strict quality control, capable of providing customized professional sealing products and one-stop technical services for customers at home and abroad.
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Blog
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Nylon washers: The "invisible cornerstone" of industrial basic parts and the leap to customized
In the vast and complex operating systems of industrial equipment, people often marvel at the meshing of precision gears or the-bearing of high-pressure pipelines, yet rarely cast their gaze upon the tiny components hidd...
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Reinforced PTFE Gasket: Mechanical Enhancement and Operating Condition Reconstruction to Break
In flange sealing engineering for chemical, pharmaceutical, and fluid transport systems, polytetrafluoroethylene (PTFE) has long a central position due to its unparalleled chemical inertness and cleanliness. However, the...
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Ceramic fiber packing: The "flexible armor" of high-temperature dynamic sealing and material
In extreme operating conditions of petrochemicals, electric power, metallurgy, and high-end equipment manufacturing, when the medium 800°C, pressure surpasses 20MPa, and is accompanied by strong corrosion and frequent st...
