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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. Having passed strict inspections and examinations conducted by national authorities, the company has obtained the ISO9001:2008 International Quality Management System Certification and the Manufacturing License for Special Equipment (Pressure Pipeline Components) of the People's Republic 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
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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.
