
2004
Bohui Industrial Filter Bag Inc. was founded in Fushun, Liaoning Province in 2004.




Aokai Environtec, founded in 2004, We are a dedicated manufacturer of industrial dust collector filter bags and filtrer cloth. We are a production-and-service-oriented enterprise driven by customer needs and led by technology.
Unlike trading companies, we control the full production process — from fiber selection, needling, heat setting, coating, sewing, cage welding to final inspection.
This allows us to deliver consistent quality and provide real technical recommendations, not generic quotations.
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.












At Aokai Environment, our Manufacturing Center is the heart of our commitment to quality and innovation in industrial filtration. Spanning 27,000 square meters, our modern facility integrates 8 automated production lines and cage welding lines, enabling us to handle both regular orders and urgent shutdown replacements.We maintain production records for traceability, so customers can reorder without specification deviation.
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].
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.
Aokai Environment operates a high-efficiency, state-of-the-art wire cage production line with an annual capacity of 2 million meters.
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.
We follow 13 laboratory test parameters and multiple in-process inspections throughout manufacturing. Key data such as fiber quality, needling density, heat setting conditions and final dimensions are recorded and verified before shipment.
Inspection records are kept for more than 3 years, and digital records are permanently archived, ensuring every batch can be traced back if needed.

01
Consistent raw material sourcing

02
Controlled manufacturing process

03
Strict dimensional tolerance

04
Each batch inspected before shipment
We use the state-of-the-art testing equipment and devices for raw material inspection, media selection, full-process production inspection, and new product development.

Germany FilTEq FEMA 1-AT Dust Filtration Efficiency Testing System

Japan Espec GPH-H20 High-Temperature Drying Oven

USA PMI CFP-1100AX Pore Size Analyzer

Switzerland FX3300-IV Air Permeability Tester

Netherlands Phenom Pure Scanning Electron Microscope
We analyze operating conditions and failed bags to recommend suitable filter media and finishing treatment.We provide:
Dust Property Analysis
Failure Analysis
Media Selction
Bag Inspection
Fiber Inspection
Lifespan Analysis
Baghouse Efficiency and Effectiveness Analysis
A lot has changed since we started this business in 2004. We’re proud to have grown alongside our customers and to have been recognized by some of the best in industries.

Bohui Industrial Filter Bag Inc. was founded in Fushun, Liaoning Province in 2004.

Bohui’s first filter bag production line was installed and commissioned in 2007.

We renamed to Aokai Environtec Ltd.;
Moved to a new manufacturing facility in Jingjiang, Jiangsu Province: 215,000 square feet, 2 filter bag production lines, 2 filter cage fabrication lines;
Formed a strategic partnership with Teijin Conex in the asphalt industry in China.

Commissioned a new 290,000 square foot manufacturing facility in Jingjiang, Jiangsu Province.

Commissioned the Aokai’s service operations, which focused on providing customers with life cycle support and services.

Upgraded our filter media production lines to a 54,000 square foot needle felt production capacity.

Commissioned a PTFE needle felt production line.

Commissioned Aokai’s R&D Competence Center in Jingjiang, Jiangsu Province;
Commissioned a filter cage silicone coating production line.

Developed and launched a new filter media product: HPE Aramid filter media with a 5 mg/Nm³ filtration efficiency.

Developed and launched a new filter media product: PTFE Felt filter media with a 5 mg/Nm³ filtration efficiency.

Commissioned a sales and customer service center in Wuhan.
Awards








You can contact us for:
• Material selection advice
• Replacement for existing bags
• Technical discussion
• Drawings confirmation
• Quotation and lead time
You can send photos, drawings, or old bag samples.
We will help identify specifications and recommend suitable material.
Clear communication first. Order second.
All information will be kept confidential.