Manufacturing Strength You Can Rely On
Welcome To Aokai Environtec
Aokai Environtec, founded in 2004, has been deeply committed to flue gas treatment and gas filtration for 21 years. We are a production-and-service-oriented enterprise driven by customer needs and led by technology. We focus on product innovation, service innovation, and value innovation, delivering integrated solutions to our clients.
With over 300 skilled workers, German production techniques, rigorous material selection, imported equipment, and advanced management systems, we achieve an annual output of 4,000,000 square meters of filter cloth, 3,000,000 filter bags, and 2,000,000 filter cages.
We have earned an excellent reputation from more than 10,000 customers worldwide thanks to our superior quality, competitive pricing, professional consulting services, and extensive market presence.
1
Years of Serving Customers
10
Employees
50
Floor Area
1
Global Trade
Filter Cloth Manufacturing
Advanced weaving, needling, and finishing lines for polyester, polypropylene, PPS, PTFE, Nomex, fiberglass and composite filter fabrics. Annual capacity: [Annual capacity: 4,000,000 m²/year].
Filter Bag Manufacturing
Automated cutting, sewing/welding, and inspection for pulse-jet, shaker, reverse-air bags in all industry-standard sizes and configurations. Custom designs available.Ensure an annual production capacity of 3 million filter bags.
Cage / Wire Cage Production
Aokai Environment operates a high-efficiency, state-of-the-art wire cage production line with an annual capacity of 2 million meters.
Intelligent Warehousing Module
Spanning over 10,000 square meters, Aokai Environment’s intelligent warehousing system ensures efficient, accurate, and secure storage of raw materials, semi-finished products, and finished filter bags, cloths, and cages.
What We Offer
Products and Services
Through our dust filtration and collection expertise, we collaborate with customers across major industries to solve their most complex dust extraction, filtration, and collection challenges.
Filter Bags
Filter Cloth
Filter Cages
We better understand your on-site operating conditions
Industries & Applications We Serve
Our dust filter bags are widely used in demanding industrial environments, designed to perform reliably under high temperature, corrosive, and high-dust conditions.
More than 1,000 overseas factories have completed the replacement and are running stably
Already Running in Real Plants
Our filter bags are not only tested in the laboratory — they are continuously operating inside baghouses across multiple countries and industrial conditions.
Innovations, Achievements, and Cleaner Air Insights
Latest News
单晶硅生产过程中的氩气循环与净化
为什么氩气循环和净化 氩气循环与净化系统通常是贯穿于整个单晶硅生产过程的。在单晶硅的直拉法生长过程中，炉内需要持续维持高纯度的惰性气体气氛（通常是氩气），以保护硅熔体和生长中的晶体不被氧化或污染。随着晶体生长，炉内的气体可能会受到微量杂质（如硅的挥发物、石墨热场产生的少量碳氧化物等）的污染。 因此，氩气循环和净化是为了： 维持炉内气氛纯度：持续去除杂质，确保晶体质量。 降低生产成本：氩气是一种相对昂贵的气体，循环利用可以显著减少其消耗。 环保：减少气体排放。 氩气循环与净化系统会不断地从炉内抽取使用过的惰性气体，经过冷却、除尘、净化（去除氧气、水蒸气、碳氢化合物等杂质）后再重新送回炉内循环使用。这是一个持续进行的过程，以确保单晶硅生长环境的稳定性和纯净度。 氩气循环和净化过程 在这种配置下，氩气循环和净化系统旨在回收和再利用含有微量粉尘和气态杂质的氩气，并确保其达到单晶硅炉的超高纯度要求。以下是气体循环过程及其中除尘器的作用： 废气排出与初步冷却 (从单晶炉) 过程： 在单晶硅拉晶过程中，炉内的氩气会持续被真空泵抽离。这些被抽走的氩气，除了微量的硅挥发物或石墨热场产生的碳化物，还可能包含极少量的活性气体（如氧气、水蒸气，尽管已尽力控制）。 温度： 炉内排出时温度较高，但通过管道传输和初步冷却装置，温度会显著下降，变得适合后续设备处理。 真空泵处理与前置过滤…
垃圾焚烧厂常见的除尘方法
在上一篇博文中《垃圾焚烧厂除尘的挑战》中，我们强调了垃圾焚烧行业面临的具体困难。在这里，我们将探讨解决这些挑战最普遍的除尘方法。 常见的除尘方法 布袋除尘器 (织物过滤器) 描述: 布袋除尘器利用织物滤袋从烟气中捕获粉尘颗粒。烟气通过这些织物滤袋，粉尘收集在滤袋表面或内部。 优点: 捕集细小颗粒效率高 (高达99.9%)。适用于高温和多变的烟气成分。 应用: 因其多功能性以及处理大量高浓度含尘气体的能力，常用于垃圾焚烧厂。 静电除尘器 (ESPs) 描述: 静电除尘器利用电场使烟气中的粉尘颗粒带电。带电颗粒随后被吸引并收集到带相反电荷的极板上。 优点:…
用 AI 提升工作效率的 99 个窍门
优化你的提示词（向 AI 提问和下指令），让 AI 祝您提高工作效率： 销售 (Sales) 创建会议大纲和演示文稿。 提示：您能帮我为即将到来的销售团队会议创建幻灯片大纲吗？ [插入有关会议目标和与会者的详细信息] 提供培训资源或文档。 提示：您能提供在我们的 CRM 中创建新交易的分步指南吗？ [指定正在使用的 CRM…
单晶硅生产流程
单晶硅的生产是半导体和光伏产业的基础，主要依赖两种高精度的晶体生长工艺：直拉法和区熔法。这两种方法都对生产环境有着严格的要求，以确保最终晶体的纯度和质量。 直拉法 (Czochralski Method) 直拉法是目前工业上生产单晶硅最广泛采用的方法，尤其适用于大尺寸硅棒的生产。 https://www.aokaifilters.com/wp-content/uploads/Czochralski-Method-2.mp4https://www.aokaifilters.com/wp-content/uploads/直拉法.mp4 1. 原料准备与装料 将经过提纯的高纯度多晶硅原料（通常为棒状或块状）与少量掺杂剂（用于控制硅的导电类型和电阻率，如硼或磷）一起装入一个高纯石英坩埚中。石英坩埚再被放置在石墨坩埚的支撑下，置于单晶炉内的加热器区域。 2. 抽真空与惰性气体充入 在开始加热熔化之前，炉腔会进行彻底的抽真空处理。这个步骤的目的是最大限度地清除炉腔内所有可能残留的活性气体，如氧气、氮气和水蒸气。这些气体在高温下会与硅反应，形成氧化物或氮化物，严重污染硅熔体，导致最终单晶硅中出现缺陷。在达到所需的真空度后，炉腔会被充入高纯度的惰性气体，通常是氩气 (Ar)。氩气在此作为保护性气氛，防止硅熔体在后续高温熔化和生长过程中与空气中的微量残余活性气体发生反应，同时也有助于稳定热场。 3. 熔化与安定 通过石墨加热器将坩埚中的多晶硅加热到其熔点（约1414∘C）以上，使其完全熔化成液态硅熔体。熔化后，熔体会在一定温度下保持一段时间以达到热场稳定。…
Core Competencies
Why Choose Aokai
Our R&D capabilities are driven by a highly experienced development team supported by state-of-the-art laboratory equipment, enabling us to push the boundaries of filtration innovation.
We continuously invest in new product development to deliver cutting-edge solutions that meet evolving market needs. This strong foundation allows us to accelerate ideas from concept to commercialization with efficiency and precision.
With decades of experience, we provide a custom filter bag design capability that ensures optimal performance for your specific application.
Our process begins with a detailed customer operating condition analysis to fully understand your system’s unique challenges. Based on this analysis, we expertly select the ideal filter media. We then design the fabric construction and post-treatment. Finally, our engineers finalize the filter bag design, ensuring a perfect fit and seal in your dust collector for superior filtration and a longer bag life.
Our flexible supply chain management allows us to respond quickly to customer needs and adapt to changing market conditions.
From raw material sourcing and inventory management to manufacturing, warehousing, and final delivery, we ensure on-time fulfillment for orders of any size.
Aokai Environtec’s manufacturing strength lies in its advanced facilities, skilled workforce, and decades of industry experience.
Our modern production lines and strict ISO-certified quality systems ensure efficiency, consistency, and scalability, allowing us to meet the needs of both specialized projects and large-volume orders.
From supplier selection and raw material inspection to filter media production, bag prototyping, and large-scale manufacturing, we apply rigorous in-process and end-to-end quality controls to ensure consistent, outstanding product performance.
By leveraging AI technologies, we further elevate our quality standards—delivering filtration solutions that not only meet but exceed your expectations.
We deliver customized filtration solutions tailored to the needs of industries across all sectors. From the very first consultation—offered free of charge—through detailed operating condition analysis, product design, precision manufacturing, and professional installation, we ensure every solution is optimized for performance and reliability.
Beyond delivery, our dedicated after-sales service team remains by our customers’ side, providing ongoing support and expertise to keep their operations running smoothly.
