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For over five decades, Changzhou Anjia Coating Equipment Co., Ltd. has stood at the forefront of surface treatment engineering, evolving from a local factory into an internationally recognized provider of integrated coating production lines and environmental protection equipment. Anjia embodies the spirit of Chinese manufacturing excellence – combining deep technical heritage with youthful innovation and an unwavering commitment to quality and customer satisfaction. Specializing in turnkey projects encompassing design, manufacturing, installation, and commissioning, Anjia delivers comprehensive solutions for powder spraying, paint spraying,
cathodic/anodic electrophoresis lines, shot blasting, intelligent conveyor, and crucially, advanced wastewater and waste gas (VOC) treatment systems. Their project for Jiangsu Linhai Power Machinery Group Co.,Ltd. serves as a prime example of their sophisticated engineering capabilities and holistic approach.
Anjia's journey is a testament to continuous growth and adaptation:
1970s: It was founded as Wujin Anjia Surface Treatment Equipment Factory, laying the groundwork in coating technology.
1990: It was renamed as HongQi Coating Equipment Co., Ltd., marking an era of expansion.
2003: It was established as Changzhou Anjia Coating Equipment Co., Ltd. for greater market position and policy support.
2008: It significantly enhanced capabilities by introducing advanced foreign shot blasting machine technology and established a dedicated department.
2015: It introduced VOC waste gas treatment technology and established Changzhou ShengLv Environmental Engineering Technology Co., Ltd., demonstrating environmental foresight.
2018 - Present: It consistently obtains enterprise investment, boosts production strength, and expands the technical team. It has successfully entered international markets, earning consistent praise from global clients.
This rich history underpins Anjia's profound understanding of industrial coating processes and environmental challenges. They maintain close collaboration with state-level design institutes, ensuring their solutions remain at the technological cutting edge.
Anjia's success hinges on distinct competitive advantages cultivated over decades:
Rich Industry Experience: Decades of specialization in coating and environmental equipment have yielded unparalleled industry knowledge and technical mastery.
High-Quality Products & Services: Anjia's reputation is built on delivering reliable equipment and exceptional service, garnering widespread customer recognition. Their comprehensive service includes:
1、Professional Design: Customized production line solutions tailored to specific client needs, production environments, and product characteristics.
2、Expert Equipment Selection: Guidance on coating methods, materials, and processes to optimize investment.
3、Turnkey Installation & Commissioning: Ensuring stable and efficient equipment operation.
4、Thorough Training: Empowering clients to operate and maintain equipment correctly, maximizing the lifespan of machine.
5、Technical Support: Rapid response to resolve operational challenges.
6、After-Sales Service: Timely maintenance, parts replacement, and upgrades.
7、Proactive Customer Care: Regular follow-ups to ensure optimal performance and prevent issues.
Strong R&D Capabilities: A dedicated R&D team drives continuous innovation, developing new technologies and products to meet evolving market demands.
Good Brand Image: Consistent quality and service have established Anjia as a trusted name with significant market recognition.
Perfect Supply Chain System: Ensures reliable component sourcing and project execution.
Rich Customer Resources: Long-term partnerships with numerous large and medium-sized enterprises across China and internationally.
Professional: Members possess extensive, specialized expertise in coating filed.
Young: An average age of 35 fosters vitality and an innovative spirit.
Dedicated: A belief that a great brand stems from customer trust and is achieved through focus and striving for excellence.
Dream-Driven: United by a shared vision of providing considerable service and excellent quality.
Showcasing Excellence: Linhai Electrophoresis + Powder Coating Line
Linhai project exemplifies Anjia's ability to deliver complex, integrated surface treatment solutions. This turnkey line, designed for processing agricultural machinery, ATVs, and motorcycle components, highlights Anjia's engineering prowess in catering to diverse product requirements within a single system.
Project Overview &Objectives：
Capacity: Designed for two-shift operation (16 hours/day, 300 days/year).
Product Scope: Handles large components up to L3450 x W2050 x B1080mm and 400kg, alongside standard parts (L3140 x W1460 x B805mm).
Material Flow: Integrates seamlessly with upstream processes; components arrive via overhead conveyor from a shot blasting facility in another building. Mechanical transfer lifts minimize manual handling.
Smart Routing: Utilizing the flexibility of power-and-free conveyors, Anjia designed three distinct process routes:
Route A: Loading > Pre-treatment > Electrophoresis > Drying oven > Unloading.
Route B: Loading > Pre-treatment > Electrophoresis > Drying oven > Soot blowing > Powder spraying > Curing > Unloading.
Route C: Loading > Soot blowing > Powder spraying> Curing > Unloading
This multi-path capability allows Linhai to efficiently process different product types with varying finishing requirements on the same line, maximizing resource utilization. Careful sequencing (Route C -> A -> B) prevents congestion.
Anjia's expertise in electrophoresis, a critical technology for corrosion-resistant primers, was central to this project.
Technical Foundation: Anjia leveraged its deep understanding of electrocoating principles – the electro deposition of charged paint particles onto oppositely charged workpieces immersed in a bath. Precise control of voltage and temperature is paramount. They manage the critical aspects:
Ultrafiltration (UF) Systems: It is essential for bath health and rinsing efficiency. UF units separate water and dissolved salts from the paint bath. The permeate (UF water) is used for rinsing, minimizing paint loss and enabling "zero-discharge" rinsing stages (UF0, UF1, UF2). Anjia's system features duplex seal pumps with UF water flushing for critical reliability.
Anode Management: Cathodic electrocoating generates organic acids at the anodes. Anjia's system employs anolyte circulation loops, constantly monitored by conductivity meters and diluted with fresh RO water, to remove these acids and maintain stable bath chemistry.
Temperature Control: Dedicated chiller systems maintain the ED tank at a precise 28±2°C, crucial for coating quality and tank stability.
Advanced Transfer Systems: Facilitate safe and efficient bath transfer for maintenance, minimizing downtime and paint loss.
pre-treatment is vital for coating adhesion and longevity. Anjia's production line includes a sophisticated multi-stage process:
Hot Water Rinse (50°C): Initial removal of gross soil and oil.
Pre-Degrease (50°C): Spray application to remove bulk oils.
Ultrasonic Main Degrease (50°C): Immersion process enhanced by ultrasonic energy to dislodge oils from complex geometries and blind holes. Anjia includes oil skimmers for continuous contaminant removal.
Multiple Rinse Steps: Counter-current flow design (Rinse 2 overflowing to Rinse 1, etc.) optimizes water usage and minimizes loss.
Silanization: A chrome-free pre-treatment process(at 35°C) applied via immersion and spray, enhancing corrosion resistance and paint adhesion. Anjia designed a dedicated transfer system for this bath.
Final RO Rinses: Ensure ultra-clean surfaces before ED.
Drying, Curing & Powder Coating Integration:
Efficient Drying: After rinsing, automated air-knife systems and drip zones remove excess moisture before entering the curing ovens.
High-Performance Ovens: Direct-fired gas ovens with sophisticated heat recovery systems, high-temperature filters and precisely controlled air flow ensure efficient and uniform curing (200-220°C for 30 minutes) for both electrocoat and powder topcoats.
Powder Coating Line: explosion-proof powder booth is equipped with advanced recovery (large cyclone + cartridge filters) for efficiency and cleanliness. It can also realize rapid color-change.
True to their commitment established with Changzhou ShengLv Environmental Engineering Technology Co., Ltd., Anjia integrated critical environmental systems into the Linhai project:
1. Wastewater Treatment Plant (6 m³/h): Processes effluent from pre-treatment and rinsing steps.
2. Exhaust Air Treatment: VOC emissions from the ED tanks and curing ovens are treated via scrubbers, filters and activated carbon adsorption before emission, with dedicated monitoring points.
3. Resource Optimization: Counter-current rinsing, UF paint recovery, and heat recuperation systems minimize water, chemical, paint, and energy consumption.
Anjia ensures excellent operation through integrated support systems:
Utility Water&Air Supply: Dedicated RO water plant (≥10 m³/h, conductivity ≤10μS/cm), hot water boiler (1.5 million kcal/h), and compressed air system (16 m³/min, 0.6 MPa, oil/moisture removal).
Central Control Room: Provides comprehensive oversight via SCADA systems to monitor tank temperature, levels, conveyor status, and process parameters. Integrated with 14 CCTV cameras for real-time visual monitoring.
Quality Assurance: On-site laboratory facilities support process control and quality checks.
The Linhai project stands as a powerful testament to Anjia's core strengths: deep technical expertise in coating processes, mastery of critical technologies like electrophoresis and environmental protection, and the ability to deliver complex, flexible, integrated turnkey solutions. Their 50-year journey, marked by continuous innovation, strategic expansion, and a dedicated young team, has cemented their position as a leader not just in China, but on the global stage. From precise pre-treatment and sophisticated electrophoresis to efficient powder painting and rigorous environmental compliance, Anjia provides manufacturers with reliable, high-quality, and sustainable surface treatment solutions. For industries ranging from automotive and agricultural machinery to general industrial manufacturing, partnering with Anjia means investing in expertise, quality, and a commitment to a cleaner industrial future. Their brand is synonymous with professional engineering, dependable service, and the technological capability to meet the most demanding coating challenges.
For over five decades, Changzhou Anjia Coating Equipment Co., Ltd. has stood at the forefront of surface treatment engineering, evolving from a local factory into an internationally recognized provider of integrated coating production lines and environmental protection equipment. Anjia embodies the spirit of Chinese manufacturing excellence – combining deep technical heritage with youthful innovation and an unwavering commitment to quality and customer satisfaction. Specializing in turnkey projects encompassing design, manufacturing, installation, and commissioning, Anjia delivers comprehensive solutions for powder spraying, paint spraying,
cathodic/anodic electrophoresis lines, shot blasting, intelligent conveyor, and crucially, advanced wastewater and waste gas (VOC) treatment systems. Their project for Jiangsu Linhai Power Machinery Group Co.,Ltd. serves as a prime example of their sophisticated engineering capabilities and holistic approach.
Anjia's journey is a testament to continuous growth and adaptation:
1970s: It was founded as Wujin Anjia Surface Treatment Equipment Factory, laying the groundwork in coating technology.
1990: It was renamed as HongQi Coating Equipment Co., Ltd., marking an era of expansion.
2003: It was established as Changzhou Anjia Coating Equipment Co., Ltd. for greater market position and policy support.
2008: It significantly enhanced capabilities by introducing advanced foreign shot blasting machine technology and established a dedicated department.
2015: It introduced VOC waste gas treatment technology and established Changzhou ShengLv Environmental Engineering Technology Co., Ltd., demonstrating environmental foresight.
2018 - Present: It consistently obtains enterprise investment, boosts production strength, and expands the technical team. It has successfully entered international markets, earning consistent praise from global clients.
This rich history underpins Anjia's profound understanding of industrial coating processes and environmental challenges. They maintain close collaboration with state-level design institutes, ensuring their solutions remain at the technological cutting edge.
Anjia's success hinges on distinct competitive advantages cultivated over decades:
Rich Industry Experience: Decades of specialization in coating and environmental equipment have yielded unparalleled industry knowledge and technical mastery.
High-Quality Products & Services: Anjia's reputation is built on delivering reliable equipment and exceptional service, garnering widespread customer recognition. Their comprehensive service includes:
1、Professional Design: Customized production line solutions tailored to specific client needs, production environments, and product characteristics.
2、Expert Equipment Selection: Guidance on coating methods, materials, and processes to optimize investment.
3、Turnkey Installation & Commissioning: Ensuring stable and efficient equipment operation.
4、Thorough Training: Empowering clients to operate and maintain equipment correctly, maximizing the lifespan of machine.
5、Technical Support: Rapid response to resolve operational challenges.
6、After-Sales Service: Timely maintenance, parts replacement, and upgrades.
7、Proactive Customer Care: Regular follow-ups to ensure optimal performance and prevent issues.
Strong R&D Capabilities: A dedicated R&D team drives continuous innovation, developing new technologies and products to meet evolving market demands.
Good Brand Image: Consistent quality and service have established Anjia as a trusted name with significant market recognition.
Perfect Supply Chain System: Ensures reliable component sourcing and project execution.
Rich Customer Resources: Long-term partnerships with numerous large and medium-sized enterprises across China and internationally.
Professional: Members possess extensive, specialized expertise in coating filed.
Young: An average age of 35 fosters vitality and an innovative spirit.
Dedicated: A belief that a great brand stems from customer trust and is achieved through focus and striving for excellence.
Dream-Driven: United by a shared vision of providing considerable service and excellent quality.
Showcasing Excellence: Linhai Electrophoresis + Powder Coating Line
Linhai project exemplifies Anjia's ability to deliver complex, integrated surface treatment solutions. This turnkey line, designed for processing agricultural machinery, ATVs, and motorcycle components, highlights Anjia's engineering prowess in catering to diverse product requirements within a single system.
Project Overview &Objectives：
Capacity: Designed for two-shift operation (16 hours/day, 300 days/year).
Product Scope: Handles large components up to L3450 x W2050 x B1080mm and 400kg, alongside standard parts (L3140 x W1460 x B805mm).
Material Flow: Integrates seamlessly with upstream processes; components arrive via overhead conveyor from a shot blasting facility in another building. Mechanical transfer lifts minimize manual handling.
Smart Routing: Utilizing the flexibility of power-and-free conveyors, Anjia designed three distinct process routes:
Route A: Loading > Pre-treatment > Electrophoresis > Drying oven > Unloading.
Route B: Loading > Pre-treatment > Electrophoresis > Drying oven > Soot blowing > Powder spraying > Curing > Unloading.
Route C: Loading > Soot blowing > Powder spraying> Curing > Unloading
This multi-path capability allows Linhai to efficiently process different product types with varying finishing requirements on the same line, maximizing resource utilization. Careful sequencing (Route C -> A -> B) prevents congestion.
Anjia's expertise in electrophoresis, a critical technology for corrosion-resistant primers, was central to this project.
Technical Foundation: Anjia leveraged its deep understanding of electrocoating principles – the electro deposition of charged paint particles onto oppositely charged workpieces immersed in a bath. Precise control of voltage and temperature is paramount. They manage the critical aspects:
Ultrafiltration (UF) Systems: It is essential for bath health and rinsing efficiency. UF units separate water and dissolved salts from the paint bath. The permeate (UF water) is used for rinsing, minimizing paint loss and enabling "zero-discharge" rinsing stages (UF0, UF1, UF2). Anjia's system features duplex seal pumps with UF water flushing for critical reliability.
Anode Management: Cathodic electrocoating generates organic acids at the anodes. Anjia's system employs anolyte circulation loops, constantly monitored by conductivity meters and diluted with fresh RO water, to remove these acids and maintain stable bath chemistry.
Temperature Control: Dedicated chiller systems maintain the ED tank at a precise 28±2°C, crucial for coating quality and tank stability.
Advanced Transfer Systems: Facilitate safe and efficient bath transfer for maintenance, minimizing downtime and paint loss.
pre-treatment is vital for coating adhesion and longevity. Anjia's production line includes a sophisticated multi-stage process:
Hot Water Rinse (50°C): Initial removal of gross soil and oil.
Pre-Degrease (50°C): Spray application to remove bulk oils.
Ultrasonic Main Degrease (50°C): Immersion process enhanced by ultrasonic energy to dislodge oils from complex geometries and blind holes. Anjia includes oil skimmers for continuous contaminant removal.
Multiple Rinse Steps: Counter-current flow design (Rinse 2 overflowing to Rinse 1, etc.) optimizes water usage and minimizes loss.
Silanization: A chrome-free pre-treatment process(at 35°C) applied via immersion and spray, enhancing corrosion resistance and paint adhesion. Anjia designed a dedicated transfer system for this bath.
Final RO Rinses: Ensure ultra-clean surfaces before ED.
Drying, Curing & Powder Coating Integration:
Efficient Drying: After rinsing, automated air-knife systems and drip zones remove excess moisture before entering the curing ovens.
High-Performance Ovens: Direct-fired gas ovens with sophisticated heat recovery systems, high-temperature filters and precisely controlled air flow ensure efficient and uniform curing (200-220°C for 30 minutes) for both electrocoat and powder topcoats.
Powder Coating Line: explosion-proof powder booth is equipped with advanced recovery (large cyclone + cartridge filters) for efficiency and cleanliness. It can also realize rapid color-change.
True to their commitment established with Changzhou ShengLv Environmental Engineering Technology Co., Ltd., Anjia integrated critical environmental systems into the Linhai project:
1. Wastewater Treatment Plant (6 m³/h): Processes effluent from pre-treatment and rinsing steps.
2. Exhaust Air Treatment: VOC emissions from the ED tanks and curing ovens are treated via scrubbers, filters and activated carbon adsorption before emission, with dedicated monitoring points.
3. Resource Optimization: Counter-current rinsing, UF paint recovery, and heat recuperation systems minimize water, chemical, paint, and energy consumption.
Anjia ensures excellent operation through integrated support systems:
Utility Water&Air Supply: Dedicated RO water plant (≥10 m³/h, conductivity ≤10μS/cm), hot water boiler (1.5 million kcal/h), and compressed air system (16 m³/min, 0.6 MPa, oil/moisture removal).
Central Control Room: Provides comprehensive oversight via SCADA systems to monitor tank temperature, levels, conveyor status, and process parameters. Integrated with 14 CCTV cameras for real-time visual monitoring.
Quality Assurance: On-site laboratory facilities support process control and quality checks.
The Linhai project stands as a powerful testament to Anjia's core strengths: deep technical expertise in coating processes, mastery of critical technologies like electrophoresis and environmental protection, and the ability to deliver complex, flexible, integrated turnkey solutions. Their 50-year journey, marked by continuous innovation, strategic expansion, and a dedicated young team, has cemented their position as a leader not just in China, but on the global stage. From precise pre-treatment and sophisticated electrophoresis to efficient powder painting and rigorous environmental compliance, Anjia provides manufacturers with reliable, high-quality, and sustainable surface treatment solutions. For industries ranging from automotive and agricultural machinery to general industrial manufacturing, partnering with Anjia means investing in expertise, quality, and a commitment to a cleaner industrial future. Their brand is synonymous with professional engineering, dependable service, and the technological capability to meet the most demanding coating challenges.
