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Bengbu Tongchen Automation Technology Equipment Co., Ltd. specializes in the development, design, and production of filtration equipment. Located in Bengbu—known as the “Pearl City” and an important industrial hub—our company offers a full range of filtration machinery, including paper folding machines, rotary pleating equipment, fiberglass tape folding lines, and large-scale air filter production systems.   We are dedicated to developing efficient, reliable, and internationally competitive equipment that serves the global filtration industry. With a strong focus on quality and service, Bengbu Tongchen aims to be your trusted partner and long-term machinery solutions provider in China.

HOT Products

TONGCHEN Technology specializes in manufacturing high-efficiency filter paper folding machine production lines.；Air purification filter ; vacuum cleaners, gas masks and other filter element folding machines and gluing production equipment. A wide variety of filter core equipment, including fully automatic servo folding machines, fully automatic high-speed folding machines, fully automatic fiberglass folding production lines without separators, fully automatic aluminum foil corrugating machines, fully automatic fiberglass folding production lines with separators, air conditioning filter core edge laminating machines, edge banding machines, filter frame gluing machines, filter materials compound machines, PP intermittent gluing production lines, high-temperature resistant fiberglass line production lines, etc. Customized service plans for machines can be provided based on the actual needs of customers and the differentiation of products.
Automatic Mini Pleat HEPA Filter Making Machine
300mm Pleat Height HEPA Mini Filter Pleating Machine Production Line
The 300mm Pleat Height HEPA Mini Filter Pleating Machine Production Line is specially designed for 20–300mm height filter paper. It integrates automatic feeding, tension control, embossing, pneumatic cutting, automatic gluing, fan cooling, folding shaping and synchronous conveying. It features stable operation, uniform pleating and precise gluing, ideal for mass production of glass fiber filter paper.
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Pleating and Adhesive Application Line
Fully Automatic Non-Partitioned Folding and Gluing Production Line TCWG100-700
The Fully Automatic Non-Partitioned Folding and Gluing Production Line is a high-precision system designed for the automated manufacturing of filter elements, such as air and automotive filters, without partition dividers. It integrates processes like pre-slitting, pleating (folding), hot-melt glue application, cooling, and synchronized conveying into one seamless workflow
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high temperature resistant glass fiber filter paper production line
High-Temperature Resistant Glass Fiber Filter Paper Folding Production Line
Our production line is designed for the precise and efficient manufacturing of high-temperature resistant glass fiber folded filter paper, widely used in HEPA/ULPA filters, automotive filtration, and thermal insulation systems. Integrated with advanced automation, it ensures accurate folding, uniform adhesive application, and stable high-speed operation.
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PP Filter Cartridge Pleating Line
PP Pleated and Glue Production Line
The PP Pleated and Glue Production Line is an advanced and fully automated system designed for the production of pleated polypropylene (PP) filter materials. It integrates filter paper feeding, pre-slitting, pleating, and gluing processes into one continuous workflow, achieving high precision, stable operation, and efficient output.
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Automatic Filter Paper Pleating Machine
Fully Automatic Knife-Type Pleating Production Line (Sixth Generation)
The sixth-generation fully automatic knife-type pleating production line integrates automatic feeding, pre-cutting, counting, and folding into one continuous process. It delivers high-speed, precise, and efficient pleating for various filter materials.Featuring adjustable speed and folding height, intelligent temperature control, and a user-friendly digital interface, this machine ensures stable performance and consistent quality.Widely used in automotive filters, air purification, and industrial filtration applications.
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Pleated Filter Paper Production Equipment
Second-Generation Semi-Automatic Paper Folding Machine TCZZ100-800-2
The TCZZ100-800-2 Folding Machine is a high-efficiency folding system designed for precise and uniform pleating of filter paper, wire mesh, and non-woven fabric. It adopts an upper and lower knife alternation folding method, enabling adjustable folding heights and stable operation.
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automatic AC filter element trimming equipment
Air Conditioner Filter Element Edge Trimming Machine — TCZ300-600-2
The TCZ300-600-2 Edge Trimming Machine is a precision device specially designed for trimming the edges of air conditioner filter elements. It ensures clean, smooth, and uniform edges, which are crucial for achieving consistent quality and reliable sealing performance in finished filter products.
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High-Speed Aluminum Foil Flanging Machine
350mm Aluminum Foil & Paper Corrugating Machine
The 350 Corrugator is designed for producing high-quality aluminum foil and paper separators. Its ergonomic design, precise tension control, and fully automated process ensure efficiency, accuracy, and consistent product quality. Ideal for industrial production of corrugated and flanged aluminum or paper sheets.
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Why Choose Us?

  Bengbu Tongchen Automation Technology Co., Ltd. —— Innovating Filtration Manufacturing Since 2011 —— Established in 2011, Bengbu Tongchen Automation Technology Equipment Co., Ltd. is a leading manufacturer of advanced automation solutions for the filtration equipment industry. We specialize in R&D, production, sales, and end-to-end service support, delivering high-efficiency machinery that enhances productivity and quality for global clients.   Our Factory: Precision Manufacturing Hub Our state-of-the-art production facility in Bengbu combines cutting-edge technology with stringent quality control to ensure reliability and performance. Equipped with modern CNC machinery and staffed by experienced engineers, we maintain ISO-certified processes to meet international standards. Product Applications: Tailored Automation Solutions Our core products serve diverse filtration manufacturing needs, including:   Fully Automated Reciprocating Paper Folding Production Lines – For precise pleated filter media.   Fully Automated PP Intermittent Glue Injection & Wave Reception Lines – Optimized for PP filter production.   Fully Automated Paper Frame Gluing Lines – Enhancing structural integrity of filter frames. Applications: Automotive air filters, HVAC systems, industrial filtration, and more. Our Services: Partnering for Success We prioritize customer satisfaction at every stage: 1 Pre-Sales: Customized consultations, feasibility studies, and tailored solution design. 2 In-Sales: Transparent communication, on-time delivery, and installation support. 3 After-Sales: Comprehensive maintenance, spare parts supply, and 24/7 technical support.   Regional Market Penetration: Global Reach We serve clients across Asia, Europe, the Middle East, and North America, with a growing footprint in emerging markets. Our machinery is trusted by top-tier filtration manufacturers for its durability, automation efficiency, and ROI-driven design. Why Choose Us?   Advanced Technology Participated in the production and application of different world-class factory brands paired with state-of-the-art technology. Experienced application technicians optimize the technology with perseverance and a love of detail. Customized Service Completed a large number of cases around the world. Won recognition from both inside and outside the industry. One-stop solution capabilities, customized products and services based on customer specific needs. High Quality To continuously create benefits for customers and reduce costs as the core, Every machine from TONGCHEN is tested and adapted until the result complies with the requirements of the customer – up to 99 percent. Strong After-Sales Support offline and online remote after-sales services. Solid engineering and a high degree of reliability ensure the stability. TONGCHEN have a group of engineers who provide professional installation & maintenance.
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  • Advanced technology

    Advanced technology

    Participated in the production and application of different world-class factory brands paired with state-of-the-art technology. Experienced application technicians optimize the technology with perseverance and a love of detail.
  • Customized Service

    Customized Service

    Completed a large number of cases around the world. Won recognition from both inside and outside the industry.One-stop solution capabilities , customized products and services based on customer specific needs.
  • High quality

    High quality

    To continuously create benefits for customers and reduce costs as the core, Every machine from TONGCHEN is tested and adapted until the result complies with the requirements of the customer –up to 99 percent .
  • Strong After-Sales

    Strong After-Sales

    Support offline and online remote after-sales services.Solid engineering and a high degree of reliability ensure the stability. TONGCHEN have a group of mid- and senior-level engineers who provide professional equipment installation, operation, maintenance and other services.

Business Layout

We provide a variety of Pleating machine products and professional solutions in more than 60 countries around the world.

Latest news

Tongchen Automation Technology will continue to develop advanced, practical, and efficient machines in production, leading domestic and international trends, and contributing to the filter and filter industry in China and around the world. We prioritize product quality and service, which are key factors in making your brand more competitive in the global market.
  • New Generation HEPA Mini Filter Pleating Production Line Launched with Four Major Upgrades
    May 05, 2026

    New Generation HEPA Mini Filter Pleating Production Line Launched with Four Major Upgrades

      Recently, our company has completed a comprehensive technical optimization of the HEPA Mini Filter Full-Auto Non-Partition Pleating Production Line, achieving breakthrough improvements in four core areas: roller structure, gluing system, conveyor system, and overall machine design. The upgraded model delivers higher stability, precision, and operational convenience, providing reliable, high-performance solutions for HEPA filter manufacturers.   Four Core Technical Upgrades Dual Roller Structure Replaces Single Roller for Improved Pleating Flatness The new line adopts a dual-roller design instead of the traditional single-roller structure, ensuring smoother operation and more uniform stress distribution. Pleating is flatter and more consistent, with a fold height range of 10–120mm precisely adjustable via the touchscreen. Vertical Glue Nozzle for Smoother, More Uniform Glue Lines The glue nozzle is upgraded to a vertical gluing mode, enhancing glue application accuracy and stability. The improved system produces cleaner, flatter glue lines and stronger bonding for higher filter quality. Extended Conveyor Belt to 2.3 Meters for Larger Buffer Storage The conveyor belt is lengthened to 2.3 meters, significantly increasing buffer and storage capacity. This supports continuous high-speed production, reduces downtime, and improves overall line efficiency. Machine Frame Raised by 100mm for Easier Feeding & Better Appearance The main frame height is increased by 100mm, making paper feeding and positioning more convenient and ergonomic. The revised structure also improves the machine’s aesthetic and modern industrial appearance.   The upgraded Mini HEPA Filter Pleating Production Line integrates high precision, stability, and ease of use, ideal for automated manufacturing of high-efficiency air filters. Our company will continue to focus on technological innovation and product upgrading in filter equipment, striving to provide customers with more efficient, intelligent, and reliable production solutions to support the high-quality development of the global filtration industry.
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  • 350mm Aluminum Foil and Paper Corrugating Machine Enhances Industrial Separator Production
    Mar 07, 2026

    350mm Aluminum Foil and Paper Corrugating Machine Enhances Industrial Separator Production

    A newly introduced Aluminum Foil Corrugating Machine is bringing improved efficiency and forming accuracy to the industrial production of aluminum foil and paper separators. Designed for stable, continuous operation, the 350mm corrugating system addresses the growing demand for consistent separator quality in filtration and related manufacturing sectors. As a specialized Paper Aluminum Filter Making Machine, the equipment integrates a fully automated workflow that covers material feeding, tension control, flanging, corrugation pressing, sizing, cutting, and automatic discharge. This streamlined process reduces manual handling and ensures uniform corrugation results, even during long production runs. By maintaining constant tension throughout the process, the machine helps prevent deformation of thin aluminum foil and paper materials. The system also functions effectively as a Separated Aluminium Foil paper Machine, featuring a magnetic powder brake and independent motor in the unwinding section. This configuration allows precise tension adjustment regardless of roll diameter changes, keeping materials straight and stable during forming. An adjustable inlet tension section further improves material control, reducing the risk of uneven corrugation or dimensional deviation. As 350mm Aluminum Foil Paper Corrugating Equipment, the machine offers flexible customization options to meet different production requirements. Corrugation height can be adjusted between 3 and 6 mm through replaceable roller sets, while sizing length remains freely adjustable. With a maximum output of up to 30 sheets per minute, the system balances productivity with forming precision. Pneumatic cutting knives with induction sizing ensure clean and accurate cutting of corrugated sheets. The equipment is also available as a fully automated 350mm Aluminum Foil Paper Auto Corrugator, combining forming, cutting, and discharge into a compact unit. Finished products are automatically discharged via a pneumatic platform, simplifying collection and stacking. Serving as a complete 350mm Aluminum Foil Paper Corrugating Forming Machine, the solution supports both aluminum foil and paper materials, making it suitable for manufacturers seeking reliable, scalable, and consistent separator production solutions.
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  • Leading Indian Filtration Firm Engages in Productive Partnership Talks with Bengbu Tongchen Automation Technology Co., Ltd.
    Jan 03, 2026

    Leading Indian Filtration Firm Engages in Productive Partnership Talks with Bengbu Tongchen Automation Technology Co., Ltd.

    Bengbu China – November 7, 2025 –, Bengbu Tongchen Automation Technology Co., Ltd a respected manufacturer of high-quality filtration products and machinery, marked a significant step in its global market expansion today following an extensive and productive business meeting with a prominent Indian filtration company. The delegation, visiting Bengbu on November 7th, engaged in detailed, afternoon-long discussions centered on the potential procurement of Bengbu Tongchen Automation Technology Co., Ltd's advanced filter products for the burgeoning Indian market. The talks, characterized by a collaborative and forward-looking spirit, were held at Bengbu Tongchen Automation Technology Co., Ltd. The Indian delegation, comprising key decision-makers in procurement and technical development, expressed a strong, targeted interest in integrating Bengbu Tongchen Automation Technology Co., Ltd's filter solutions into their supply chain. The afternoon session provided an ideal platform for a deep technical and commercial exchange. The successful talks concluded with a clear understanding of the next steps, including a follow-up proposal and a planned sample evaluation process. This engagement underscores Bengbu Tongchen Automation Technology Co., Ltd’s growing reputation as a trusted partner for international clients seeking robust filtration solutions and highlights the strategic importance of the Indian market in the company’s global vision.
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  • MS Filter from Korea Visits Bengbu Tongchen ,Praises Advanced High-Temperature Glass Fiber Pleating & Gluing Production Line
    Nov 11, 2025

    MS Filter from Korea Visits Bengbu Tongchen ,Praises Advanced High-Temperature Glass Fiber Pleating & Gluing Production Line

    Bengbu.China-Nov.7 2025. , Bengbu Tongchen Automation Technology Co., Ltd.a leading manufacturer of high-performance filter production machinery, was pleased to host a high-level delegation from a renowned Korean filter manufacturing company last month. The visit, centered on Bengbu Tongchen Automation Technology Co., Ltd's innovative solutions, featured an in-depth technical review and live demonstration of the groundbreaking High-Temperature Glass Fiber Pleating and Gluing Production Line. "We are thoroughly impressed by the engineering prowess and technical sophistication of Bengbu Tongchen Automation Technology Co., Ltd's equipment," said a representative from the visiting Korean company. "The High-Temperature Glass Fiber Pleating Line demonstrates a deep understanding of the real-world challenges we face. Its precision and stability are exactly what we need to enhance our product quality and production efficiency. This visit has significantly strengthened our confidence in Bengbu Tongchen Automation Technology Co., Ltd as a strategic partner." This endorsement from a leading international filter manufacturer underscores Bengbu Tongchen Automation Technology Co., Ltd's position at the forefront of filter machinery technology. The successful visit not only solidifies a promising partnership but also serves as a powerful testament to the company's ability to deliver solutions that meet the stringent standards of the global market.
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  • Bengbu Tongchen Strengthens Global Leadership in Filtration Automation
    Nov 03, 2025

    Bengbu Tongchen Strengthens Global Leadership in Filtration Automation

    Bengbu Tongchen Automation Technology Co., Ltd., a pioneer in filtration equipment manufacturing since 2011, continues to expand its global influence across Asia, Europe, the Middle East, and North America. With over a decade of experience in automation R&D and precision engineering, Tongchen has established itself as a trusted partner to leading filter manufacturers worldwide. “Our mission has always been to deliver efficient, high-quality, and reliable equipment that helps clients improve productivity,” said a Tongchen spokesperson. “We aim to be the preferred automation partner for the global filtration industry.”   The company’s continuous innovation and ISO-certified production standards have positioned it at the forefront of smart manufacturing in the filtration sector.
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