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--- Competitive Advantages of Zechuan ---

• High-Quality Products and Services:

Wuxi Zechuan Environmental Technology Co., Ltd. stands out in the environmental protection industry due to its decades-long expertise in R&D and manufacturing of pollution control equipment. With over 30 years of accumulated experience, Zechuan ensures every system—whether RTO, CO, or scrubber tower—is built with precision and reliability. The company’s strict quality assurance system integrates self-inspection, mutual inspection, and specialized checks, guaranteeing a product qualification rate exceeding 99%. Each piece of equipment is designed and manufactured according to German standards, meeting international benchmarks for performance and safety. For instance, at Murata New Energy (Wuxi) Co., Ltd., Zechuan delivered a custom-designed RTO system capable of treating large volumes of low-concentration VOCs from battery production lines. The system achieved a VOC removal rate of 98.5% and operated continuously for over two years without major maintenance, significantly reducing emissions and helping the client achieve compliance with China’s National Emission Standards. Furthermore, Zechuan’s ISO9001, ISO14001, and OHSAS18001 certifications underscore its commitment to quality, environmental management, and workplace safety. Their ability to produce OEM equipment for global partners like Dürr AG and Global Toyo demonstrates not only technical excellence but also adaptability across international regulatory frameworks. This level of consistency and trustworthiness makes Zechuan a preferred vendor for foreign-invested enterprises and listed companies seeking long-term, reliable environmental solutions.

• One-Stop Solutions for Waste Gas Treatment:

Zechuan offers truly end-to-end turnkey services, from initial engineering consultation and system design to equipment procurement, installation, commissioning, personnel training, and final compliance acceptance. This integrated approach eliminates the need for clients to coordinate multiple vendors, saving time and reducing project risks. A prime example is the collaboration with Amcor (Huizhou) New Materials Technology Co., Ltd., where Zechuan managed the entire waste gas treatment project for a high-speed flexible packaging line. The challenge included handling variable VOC compositions from different coating processes and ensuring continuous operation during production shifts. Zechuan deployed a hybrid solution combining an RTO system with an activated carbon adsorption tower for peak load handling. The system was fully automated, with real-time monitoring and remote diagnostics via cloud-based platforms. After commissioning, Amcor reported a 99% reduction in VOC emissions, zero downtime during startup, and seamless integration into their existing production workflow. Additionally, Zechuan provided on-site training for 12 operators and maintenance staff, ensuring smooth long-term operation. This one-stop model not only accelerates project delivery—typically completed within 6–8 weeks—but also enhances accountability and service continuity. With a team of senior engineers backed by Tongji University’s research expertise, Zechuan delivers customized, future-proof solutions tailored to each client’s unique process conditions, making it a trusted partner for complex industrial applications across pharmaceuticals, electronics, automotive, and chemical sectors.

--- Innovative Products for Effective Treatment ---

• Regenerative Thermal Oxidizer (RTO):

The Regenerative Thermal Oxidizer (RTO) is one of Zechuan’s flagship technologies, engineered for high-efficiency destruction of volatile organic compounds (VOCs) in low-concentration, high-volume industrial exhaust streams. Designed based on German engineering standards, Zechuan’s RTO systems achieve thermal recovery rates of up to 97%, drastically reducing fuel consumption compared to traditional incineration methods. At Nanjing Chia Tai Tianqing Pharmaceutical Co., Ltd., Zechuan installed a dual-bed RTO system to treat VOC emissions from solvent-based drug synthesis processes. The system successfully handled fluctuating gas compositions containing benzene, acetone, and ethanol, maintaining a consistent VOC removal rate above 98% even under variable load conditions. Notably, the system’s ceramic regenerator cycles automatically between heat storage and purge phases, preventing catalyst poisoning and ensuring stable performance. The compact design saved 40% floor space compared to conventional models, while the advanced PLC control system enabled remote monitoring and predictive maintenance alerts. Since installation, the client has reduced annual energy costs by over 30% and achieved full compliance with local environmental authorities. Zechuan’s RTO technology is particularly effective in industries such as coatings, printing, and petrochemicals, where gas composition changes frequently or contains halogens and metal vapors that would deactivate standard catalytic oxidizers. By leveraging proprietary heat recovery algorithms and durable ceramic materials, Zechuan’s RTO systems deliver superior longevity and operational safety—proving why they are selected by leading multinational corporations like AstraZeneca and SK Hynix-STMicroelectronics.

• Activated Carbon Adsorption Towers:

Zechuan’s Activated Carbon Adsorption Towers provide cost-effective, highly efficient solutions for treating low-concentration VOCs in sensitive environments such as semiconductor fabrication and pharmaceutical cleanrooms. These towers utilize high-performance granular activated carbon (GAC) and activated carbon fiber (ACF), offering exceptional adsorption capacity and fast regeneration cycles. In a notable case with JTEKT Sealing Technology (Wuxi) Co., Ltd., Zechuan implemented a vertical adsorption tower system to capture VOCs from precision machining oil mist and degreasing solvents. The system achieved a 97% removal rate for toluene and xylene, with minimal pressure drop due to optimized packing design. What sets Zechuan apart is its modular configuration: the system includes automatic desorption units using hot nitrogen regeneration, allowing continuous operation without shutdown. This feature proved critical during a 24/7 production cycle, where any interruption could lead to costly delays. Additionally, Zechuan incorporated a real-time monitoring system that tracks breakthrough points and triggers timely regeneration, extending carbon lifespan by up to 50%. The solution not only met stringent emission limits but also reduced operating costs by minimizing carbon replacement frequency. Beyond industrial applications, Zechuan’s towers are widely used in food processing, wastewater treatment plants, and electronic manufacturing facilities, where odor control and air quality are paramount. With over 100 successful installations nationwide, Zechuan’s adsorption technology continues to demonstrate reliability, scalability, and economic value—making it a preferred choice for industries striving for both environmental compliance and operational efficiency.

--- Success Stories and Client Testimonials ---

• Notable Projects and Achievements:

Wuxi Zechuan Environmental Technology Co., Ltd. has a proven track record of delivering transformative environmental projects across diverse industries. One of the most impactful cases is the treatment system installed at Shanghai Delphi International Storage Battery Co., Ltd., a major supplier for global automotive manufacturers. Facing increasing regulatory pressure to reduce VOC emissions from battery casing painting operations, Delphi partnered with Zechuan to implement a state-of-the-art RTO system. The challenge lay in handling variable airflow and intermittent emissions from multiple production lines. Zechuan designed a multi-chamber RTO with dynamic flow balancing and intelligent temperature control, enabling the system to maintain >98% VOC destruction efficiency even during peak loads. Post-installation, Delphi reported a 99.2% reduction in total VOC emissions, achieving compliance with Shanghai’s strict atmospheric standards. Moreover, the system’s energy savings amounted to approximately 250,000 kWh annually, contributing to significant cost reductions. Another landmark project involved DSM Citric Acid (Wuxi) Co., Ltd., where Zechuan delivered a combined chemical scrubbing and biological deodorization system to manage odorous gases from citric acid fermentation. The system effectively eliminated hydrogen sulfide and ammonia emissions by over 96%, improving air quality around the facility and eliminating community complaints. These successes are supported by more than 100 completed projects nationwide, including collaborations with giants like Sharp (Wuxi) Electronics, Guangzhou Toyota Motor, and Jiangsu President Tinplate. Each project reflects Zechuan’s deep technical understanding, rigorous execution, and commitment to sustainable industrial development—solidifying its reputation as a benchmark in the waste gas treatment sector.

• Partnerships with Industry Leaders:

Zechuan’s credibility is further validated by its strategic partnerships with globally recognized engineering firms and industrial leaders. The company collaborates closely with NNE (formerly NNE Pharmaplan), a world-renowned engineering consultancy, on several pharmaceutical and biotech projects, including those involving high-purity VOC abatement in sterile manufacturing zones. Together, they have delivered compliant, scalable solutions for clients like AstraZeneca, ensuring both environmental safety and regulatory alignment. Similarly, Zechuan works with Dürr AG, a German leader in industrial automation and environmental technology, to co-develop advanced RTO systems that integrate seamlessly with smart factory infrastructures. Their joint innovation enables real-time data exchange, predictive analytics, and remote diagnostics—features now standard in modern industrial plants. Other key partners include Global Toyo, PM Group, and Kurita Water Industries, all of whom rely on Zechuan’s robust equipment and rapid deployment capabilities. These alliances reflect Zechuan’s ability to meet the exacting standards of multinational corporations and engineering firms, reinforcing its position as a trusted supplier in the global environmental technology ecosystem. Through these collaborations, Zechuan continues to push the boundaries of what’s possible in waste gas treatment—delivering smarter, cleaner, and more sustainable industrial processes worldwide.

--- Contact Us ---

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