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Shandong Longde Composite Fiber Technology

National High-Tech Enterprise | Specialized "Little Giant" | IATF16949 Certified
Leading Manufacturer of Automotive & Industrial Filter Papers Since 2012

About Longde Technology

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).

2012
Established
53.1M
Registered Capital (CNY)
170K
Area (m²)
200+
Global Clients

Certifications & Recognitions

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

Our Products

Premium filter papers engineered for performance, durability, and efficiency.

Oil Filter Paper

Oil Filter Paper

High-efficiency cellulose-based paper for automotive and industrial lubrication systems. Excellent dirt retention and flow characteristics.

  • High dirt capacity
  • Thermal stability up to 150°C
  • IATF16949 compliant
Fuel Filter Paper

Fuel Filter Paper

Specialized filtration media for gasoline and diesel fuel systems. Resistant to ethanol and biodiesel blends.

  • Ethanol-resistant formulation
  • Low extractables
  • High burst strength
Air Filter Paper

Air Filter Paper

High-performance pleatable paper for engine intake systems. Optimized for dust capture and airflow.

  • >99% dust efficiency
  • Moisture-resistant coating
  • Long service life
Heavy-Duty Oil Filter Paper

Heavy-Duty Oil Filter Paper

Reinforced media for commercial vehicles and industrial engines. Enhanced durability under extreme conditions.

  • High wet strength
  • Extended service intervals
  • OEM specifications met
Microglass Composite Filter

Microglass Composite Filter

Hybrid media combining cellulose and microglass for superior filtration in critical applications.

  • Sub-micron particle capture
  • Low pressure drop
  • High thermal resistance

Custom Filter Solutions

Tailored filtration media developed in collaboration with OEMs and Tier-1 suppliers.

  • R&D-driven customization
  • Prototyping & testing
  • Volume production support

Eco-Friendly Filter Paper

Sustainable filtration media with reduced environmental impact. Biodegradable and recyclable options.

  • Renewable raw materials
  • Lower carbon footprint
  • Compliant with green standards

Industrial Hydraulic Filters

Robust filtration for hydraulic systems in construction, mining, and manufacturing equipment.

  • High particle retention
  • Resistant to oils and additives
  • Long operational life

Why Choose Longde?

Advanced technology, rigorous quality, and customer-focused innovation.

R&D Excellence

Dedicated R&D team and platforms including Shandong Engineering Research Center.

Quality Assured

IATF16949 certified with strict quality control from raw material to delivery.

Global Reach

200+ satisfied clients worldwide, including leading automotive and industrial brands.

Advanced Equipment

State-of-the-art production and testing instrumentation for consistent performance.

Research & Development

Driving innovation in filtration technology through continuous R&D investment.

R&D Team

Experienced engineers and material scientists focused on next-generation filter solutions.

R&D Platform

Equipped with advanced labs including "Automotive Filter Paper Shandong Engineering Research Center".

R&D Equipment

Cutting-edge testing and development tools for material analysis and performance validation.

Latest News

Stay updated with Longde Technology’s milestones and industry participation.

Longde Technology at FILTECH 2024

November 14, 2024

Our team attended FILTECH 2024 in Germany, showcasing latest innovations in filter paper technology.

Event

10th Filtration & Separation Asia

December 13, 2024

Longde participated in the 10th Filtration & Separation Asia, connecting with global partners.

Exhibition

Science & Tech Bureau Visit

August 19, 2024

Leaders from Weifang Science and Technology Bureau visited Longde to review innovation systems.

Visit

Get in Touch

Reach out to us for product inquiries, partnerships, or technical support.

Contact Information

86-536-3116638
No. 5311 Huate Road, Linqu County, Shandong Province, China
Visit Official Website

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