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National High-Tech Enterprise | Specialized "Little Giant" | IATF16949 Certified
Leading Manufacturer of Automotive & Industrial Filter Papers Since 2012
A national high-tech enterprise integrating scientific research, development, and production of advanced industrial filter materials.
Shandong Longde Composite Fiber Technology Co., Ltd. is the holding company of Shandong Wanhao Paper Group. Established in 2012 with a registered capital of 53.1 million yuan, the company is located in Shandong Linqu Economic Development Zone, covering an area of 260 mu (approximately 170,000 square meters).
As a national "specialization, refinement, differentiation, and innovation" Little Giant enterprise, Longde Technology is a leader in automotive filter paper solutions. We are governing units of the Automotive Filter Committee of the China Association of Automobile Manufacturers and the Filter Branch of the China Internal Combustion Engine Industry Association.
The company has passed IATF16949 international auto parts quality management system certification and is listed on the Shandong Property Rights Exchange Center (Stock Code: 300239).
IATF16949 Certified
International Automotive Quality Management
National High-Tech Enterprise
Recognized for innovation and R&D
"Little Giant" Enterprise
National Specialization & Innovation Award
Shandong Provincial R&D Center
One Enterprise One Technology
Premium filter papers engineered for performance, durability, and efficiency.
High-efficiency cellulose-based paper for automotive and industrial lubrication systems. Excellent dirt retention and flow characteristics.
Specialized filtration media for gasoline and diesel fuel systems. Resistant to ethanol and biodiesel blends.
High-performance pleatable paper for engine intake systems. Optimized for dust capture and airflow.
Reinforced media for commercial vehicles and industrial engines. Enhanced durability under extreme conditions.
Hybrid media combining cellulose and microglass for superior filtration in critical applications.
Tailored filtration media developed in collaboration with OEMs and Tier-1 suppliers.
Sustainable filtration media with reduced environmental impact. Biodegradable and recyclable options.
Robust filtration for hydraulic systems in construction, mining, and manufacturing equipment.
Advanced technology, rigorous quality, and customer-focused innovation.
Dedicated R&D team and platforms including Shandong Engineering Research Center.
IATF16949 certified with strict quality control from raw material to delivery.
200+ satisfied clients worldwide, including leading automotive and industrial brands.
State-of-the-art production and testing instrumentation for consistent performance.
Driving innovation in filtration technology through continuous R&D investment.
Experienced engineers and material scientists focused on next-generation filter solutions.
Equipped with advanced labs including "Automotive Filter Paper Shandong Engineering Research Center".
Cutting-edge testing and development tools for material analysis and performance validation.
Stay updated with Longde Technology’s milestones and industry participation.
November 14, 2024
Our team attended FILTECH 2024 in Germany, showcasing latest innovations in filter paper technology.
December 13, 2024
Longde participated in the 10th Filtration & Separation Asia, connecting with global partners.
August 19, 2024
Leaders from Weifang Science and Technology Bureau visited Longde to review innovation systems.
Reach out to us for product inquiries, partnerships, or technical support.
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