Key Facts & Figures

10,000+

Process Industry Customers Worldwide

22

Years Industry Expertise 
 Since 2004

No.1

Automatic Filling Line Supplier 
in China 
(by sales volume)

50,000 m²

Manufacturing & R&D Facilities

About LONGTEC

LONGTEC, founded in 2004 and listed on the National Equities Exchange and Quotations (NEEQ) in 2016, is a company dedicated to providing comprehensive intelligent factory automation and informatization solutions.

LONGTEC specializes in the design and delivery of intelligent filling machines and complete filling line solutions for the liquid chemicals industry.

Our capabilities cover filling, packaging, palletizing, labeling, loading, and flexible manufacturing systems, integrating precision, automation, and reliability to support efficient and safe production.

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Hot Products

Filling Machine(50L)

  50L Semi-automatic filling machine is suitable for filling fluid chemical liquids. Customized models can be designed based on customer requirements, including above-liquid-level filling, below-liquid-level filling, and pit-type weighing platforms with or without conveyor lines.

Filling Machine(50L)

Filling Machine(50L)

  50L Semi-automatic filling machine is suitable for filling fluid chemical liquids. Customized models can be designed based on customer requirements, including above-liquid-level filling, below-liquid-level filling, and pit-type weighing platforms with or without conveyor lines.

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Filling Machine(15L-25L)

  15L-25L filling machine is intelligently designed with optional auto-visual positioning for small-open pails, enabling precise and high-speed filling. The streamlined machine layout ensures stable operation. The sealed working chamber facilitates organized VOC emission.

Filling Machine(15L-25L)

Filling Machine(15L-25L)

  15L-25L filling machine is intelligently designed with optional auto-visual positioning for small-open pails, enabling precise and high-speed filling. The streamlined machine layout ensures stable operation. The sealed working chamber facilitates organized VOC emission.

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Filling Machine(1L-5L)

  This 1L–5L filling machine is suitable for filling flowable chemical liquids such as industrial coatings, inks, resins, additives, adhesives, hardeners, and more.It is a movable filling machine, equipped with locking swivel casters, allowing it to be moved to the designated reactor position for filling. The sealed working chamber ensures organized VOC emission control. Customized models are available based on customer requirements.

Filling Machine(1L-5L)

Filling Machine(1L-5L)

  This 1L–5L filling machine is suitable for filling flowable chemical liquids such as industrial coatings, inks, resins, additives, adhesives, hardeners, and more.It is a movable filling machine, equipped with locking swivel casters, allowing it to be moved to the designated reactor position for filling. The sealed working chamber ensures organized VOC emission control. Customized models are available based on customer requirements.

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Rocker Arm Filling Machine

  This series of filling machines consists of a frame, weighing system, filling system, and electrical control cabinet. It features two-speed operation (fast/slow) and is suitable for liquid materials such as emulsions, resins, and solvents. The machine can be configured for gross or net weight filling and supports manual alignment with automatic filling. Operation is simple, and an optional extraction hood can be installed at the filling nozzle to ensure organized VOC emission.  It is a cost-effective and preferred solution.

Rocker Arm Filling Machine

Rocker Arm Filling Machine

  This series of filling machines consists of a frame, weighing system, filling system, and electrical control cabinet. It features two-speed operation (fast/slow) and is suitable for liquid materials such as emulsions, resins, and solvents. The machine can be configured for gross or net weight filling and supports manual alignment with automatic filling. Operation is simple, and an optional extraction hood can be installed at the filling nozzle to ensure organized VOC emission.  It is a cost-effective and preferred solution.

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200L Drum Automatic Filling and Palletizing Line

    This line is designed for the fully automatic packaging process of 200L drums, including automatic lid unscrewing, filling, lid screwing, and palletizing.

200L Drum Automatic Filling and Palletizing Line

200L Drum Automatic Filling and Palletizing Line

    This line is designed for the fully automatic packaging process of 200L drums, including automatic lid unscrewing, filling, lid screwing, and palletizing.

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20L/30L Open-Top Pail Automatic Filling Line

    This 20L/30L open-top pail automatic filling line is suitable for automatic filling of fluid chemical liquids such as contact adhesives, paint, ink, resin, and latex paint.

20L/30L Open-Top Pail Automatic Filling Line

20L/30L Open-Top Pail Automatic Filling Line

    This 20L/30L open-top pail automatic filling line is suitable for automatic filling of fluid chemical liquids such as contact adhesives, paint, ink, resin, and latex paint.

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15L-25L Small-Open Pail Automatic Filling and Palletizing Line

    The 15L-25L small-open pail automatic filling and palletizing line, manufactured by LONGTEC, is designed for the fully automatic filling of liquid chemicals such as coatings, resins, solvents, additives, adhesives, lubricants, and cutting fluids.

15L-25L Small-Open Pail Automatic Filling and Palletizing Line

15L-25L Small-Open Pail Automatic Filling and Palletizing Line

    The 15L-25L small-open pail automatic filling and palletizing line, manufactured by LONGTEC, is designed for the fully automatic filling of liquid chemicals such as coatings, resins, solvents, additives, adhesives, lubricants, and cutting fluids.

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1L-4L Volumetric Automatic Filling Line

  This fully automatic volumetric filling line is designed for chemicals such as coolant and lubricating oil, supporting pail sizes from 1L to 4L.

1L-4L Volumetric Automatic Filling Line

1L-4L Volumetric Automatic Filling Line

  This fully automatic volumetric filling line is designed for chemicals such as coolant and lubricating oil, supporting pail sizes from 1L to 4L.

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Why Choose Us 

20 Years of Industry Expertise

Founded in 2004, LONGTEC has been dedicated to the process industry for over two decades, driving digital transformation with a customer-value–driven approach.

Proven Quality & Full-Lifecycle Capability

As a nationally recognized “Specialized, Refined, and Innovative Little Giant” enterprise, LONGTEC operates dual R&D bases and a global service network, delivering end-to-end intelligent manufacturing solutions.

Global Vision, Local Service

We follow a clear international strategy, building a global supply and service network supported by our integrated 4S service system: Sales, Technical Support, Spare Parts, and After-Sales Service.

Professional & Innovative Team

Our expert team combines strong technical expertise, reliable execution, and continuous innovation to ensure long-term value for our customers.

Deepening Cooperation | Senior Management Team of Jotun Group Visits LONGTEC for Exchange

Deepening Cooperation | Senior Management Team of Jotun Group Visits LONGTEC for Exchange

  Strengthening Mutual Trust for a New Chapter of Development On October 28, Mr. Sajan Joseph, Vice President of Jotun Group, led a senior management delegation to visit LONGTEC for交流 and discussion. Mr. He Xiaodong, Chairman and General Manager of LONGTEC, warmly received the guests and accompanied them on a tour of the exhibition hall and production workshops. Both sides conducted in-depth discussions on corporate development, intelligent manufacturing, and global strategy.   1. Exhibition Hall Tour: Gaining Insight into LONGTEC’s Development and Layout The delegation first visited the LONGTEC exhibition hall, where they were introduced to the company’s development history, business segments, and global partnerships. The guests highly praised LONGTEC’s technological strength, innovation achievements, and international presence across its four major business segments.     2. Presentation Session: Showcasing Strategy and Innovation Capabilities During the presentation session, Mr. Sajan Joseph expressed sincere appreciation for LONGTEC’s warm invitation and hospitality. He noted that the visit not only deepened his understanding of LONGTEC, but also laid a solid foundation for further cooperation between the two parties. Representatives from LONGTEC’s Overseas Business Department delivered a comprehensive introduction to the company’s development history, business philosophy, and core competitiveness, highlighting achievements and strategic planning in intelligent manufacturing, lean management, sustainable development, and global expansion. The visiting delegation spoke highly of LONGTEC’s clear development strategy and steady internationalization efforts.     3. Production Visit: Focusing on Intelligent Manufacturing Strength During the production tour, the Jotun team focused on the Zhangjiagang Jotun thinner production line currently under commissioning, as well as a series of filling machinery and equipment designed and manufactured by LONGTEC for global enterprises. The guests expressed strong appreciation for LONGTEC’s professionalism and dedication to excellence in mechanical design, equipment manufacturing, and automation control. They also showed great interest in the company’s innovation capabilities in intelligent production line integration.     4. In-Depth Discussion: Exploring Cooperation and Future Development In the interactive Q&A session, both parties engaged in in-depth discussions on LONGTEC’s global development planning, overseas project cooperation, and future technological directions. The senior management of Jotun expressed strong interest and recognition of LONGTEC’s international development strategy and conveyed confidence in broader cooperation opportunities in the future.     Moving Forward Together to Create a New Chapter of Growth This visit marks another milestone in the deepening and elevation of cooperation between LONGTEC and Jotun. It not only strengthened mutual trust and understanding, but also laid a solid foundation for collaborative innovation in intelligent manufacturing, automation control, and sustainable development. LONGTEC remains committed to innovation-driven growth and customer-oriented solutions, striving to provide high-quality integrated intelligent manufacturing solutions to global partners. Looking ahead, LONGTEC will work hand in hand with Jotun to jointly open a new chapter in the construction of intelligent factories worldwide.   About the Client Founded in 1926 and headquartered in Sandefjord, Norway, Jotun is one of the world’s leading manufacturers of paints and powder coatings. The company operates in more than 100 countries, with production facilities in over 40 countries. Its product portfolio includes decorative paints, protective coatings, marine coatings, and powder coatings, serving industries such as construction, energy, marine engineering, and industrial manufacturing. Jotun is widely recognized for its high quality, corrosion protection, environmental performance, and durability. Its well-known product series include Penguard, Hardtop, and Jotashield. With nearly a century of dedication, Jotun remains committed to protecting customers’ assets — from iconic landmarks to beautiful homes — guided by its four core values: Loyalty, Care, Respect, and Boldness.

Intelligent Manufacturing Driving Industry Innovation | LONGTEC at CHINACOAT 2025

Intelligent Manufacturing Driving Industry Innovation | LONGTEC at CHINACOAT 2025

From November 25 to 27, 2025, the grand event of Asia’s coatings industry — CHINACOAT — was successfully held at Shanghai New International Expo Centre. As a barometer of industry innovation, this year’s exhibition brought together leading global technologies and cutting-edge solutions. LONGTEC made a remarkable appearance with its advanced integrated intelligent manufacturing solutions, welcoming visitors from around the world at Booth E56, Hall E3, to explore the path toward digital transformation in the coatings industry.     Showcasing Four Core Solutions: Demonstrating Intelligent Manufacturing Strength 1. Fully Automatic Filling Equipment With high precision and high-efficiency automated processes, LONGTEC’s fully automatic filling systems significantly enhance packaging capacity and operational stability, providing solid support for cost reduction and efficiency improvement.     2. Additive Centralized Dispensing System Through intelligent and precise proportioning and conveying, this solution fundamentally ensures batch-to-batch product stability, serving as a critical link in improving product consistency.     3. Automatic Control System Realizing full-process digital control from material feeding to final packaging, the system empowers enterprises to achieve intelligent upgrades and lean production management.     4. Online Measurement and Control Instrumentation Accurately serving key stages such as weighing, batching, and finished product packaging, these instruments provide reliable data perception and control foundations throughout the entire production process.     Dynamic Booth Engagement: Professional Solutions in the Spotlight Throughout the exhibition, LONGTEC’s booth (Hall E3, E56) remained vibrant and highly popular. The displayed equipment attracted numerous industry professionals for in-depth discussions and exchanges. LONGTEC’s technical and sales teams warmly welcomed every visitor, offering detailed and professional insights into technical challenges and industry trends. The frequent on-site interactions led to substantial potential cooperation opportunities and widespread industry recognition.         Deep Industry Expertise: Authoritative Credentials Strengthen Leadership Position   LONGTEC’s confidence stems from years of deep industry cultivation. As a nationally recognized “Little Giant” enterprise specializing in innovation and a leading member organization within the coatings sector, LONGTEC has long focused on industrial automation and intelligent manufacturing in the coatings and related industries, building strong technical expertise and extensive project experience. Its mature solutions have earned long-term trust from numerous internationally renowned enterprises, including Nippon, PPG, Jotun, China National Offshore Oil Corporation, and DIC Corporation, establishing solid strategic partnerships. Moving forward, LONGTEC will continue to drive innovation, empower intelligent manufacturing transformation, and contribute to the high-quality development of the global coatings industry.

Intelligent Filling Line Highly Recognized by Customer, Empowering Nantong DIC’s Smart Upgrade

Intelligent Filling Line Highly Recognized by Customer, Empowering Nantong DIC’s Smart Upgrade

Recently, LONGTEC received a letter of appreciation from Nantong DIC Technology Co., Ltd., expressing high recognition and sincere gratitude for LONGTEC’s outstanding performance in its automatic filling line project. The project has now been successfully put into operation and continues to run stably, marking an important milestone in the cooperation between the two parties.     In the letter, Nantong DIC specifically commended the professionalism of LONGTEC’s project team, praising them for demonstrating “exceptional technical expertise and a highly responsible professional spirit.”       From technical solution design and equipment integration to system commissioning, the LONGTEC project team exhibited strong execution capability and excellent coordination. In particular, when facing tight production schedules and other challenges, the team proactively stationed personnel on-site and responded swiftly, ensuring high-quality project delivery. During the equipment trial operation stage, LONGTEC’s team leveraged extensive on-site experience to promptly resolve multiple technical issues, safeguarding the smooth progress of the customer’s production plan and laying a solid foundation for subsequent intelligent upgrades.       This successful collaboration has not only strengthened mutual trust, but also established a solid basis for further cooperation in intelligent production lines and digital management systems. LONGTEC consistently adheres to a customer-centric approach, empowering clients’ transformation toward intelligent manufacturing through technological innovation and lean services. LONGTEC sincerely appreciates the recognition from Nantong DIC and will continue to uphold its principles of professionalism, efficiency, and responsibility. Together with more partners, LONGTEC will advance industrial automation and digitalization, creating a smarter future for manufacturing.   About the Client DIC Corporation is a global chemical manufacturer operating in more than 60 countries and regions. As a world-leading enterprise in printing inks, organic pigments, and functional resins, DIC is committed to bringing “color” and “comfort” to every aspect of human life. The company strives to create value beyond chemistry by continuously challenging itself to build a better future for both people and the planet.     DIC provides a wide range of products and services—including printing inks and organic pigments—that contribute to a more sustainable society.     Through ongoing innovation, DIC delivers unprecedented experiences that make the future more enjoyable and vibrant. Across industries such as automotive, home appliances, electronics, and infrastructure, DIC offers outstanding products and solutions to support social development. By continuously innovating, the company addresses the challenges faced by society and customers alike, working toward a more comfortable and sustainable future for humanity and the Earth.

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