Aquarium Products Water Filter Media Glass Ceramic Bio Rings
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Product Highlights
- High Surface Area: Porous hollow structure provides large surface area for beneficial bacteria colonization.
- Eco-Friendly Material: Made of high-quality glass ceramic, non-toxic and corrosion resistant.
- Stable Chemical Properties: Does not affect pH levels or release impurities during filtration.
- Wide Application: Suitable for freshwater, saltwater aquariums, koi ponds, and aquaculture systems.
- Durable and Reusable: Long service life with high cost performance after cleaning.
- Customization Support: OEM/ODM orders welcome with customizable specifications and packaging.
- Efficient Filtration: Effectively decomposes harmful nitrite and nitrate to maintain water safety.
- High Purity: Product purity reaches 95% with stable chemical composition.
Product Attributes
- Customization
- Available
- Color
- Yellow/Blue/White
- Form
- Cylindrical
- Model NO.
- RJ-2829
- Purity
- 95%
- Usage
- Chemical Engineering
- Effect
- Wastewater Treatment
- Function
- Aquarium Water Filtration
- Feature
- Eco-Friendly
- Customized
- Customized
- Character
- Filtration of Sewage
- Transport Package
- Carton Packaging / Neutral Packaging
- Specification
- 10-25mm
- Trademark
- RONGJIAN
- Origin
- Pingxiang, China
- Package Size
- 90.00cm * 70.00cm * 10.00cm
- Package Gross Weight
- 25.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Aquarium Products Water Filter Media Glass Ceramic Bio Rings
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Product Description


These bio rings effectively decompose harmful substances such as nitrite and nitrate, maintaining a healthy nitrogen cycle and keeping aquarium water clear and safe. With good permeability and stable chemical properties, they do not affect pH level or release impurities, suitable for both freshwater and marine aquariums.
Widely used in canister filters, top filters, sump systems and pond filtration equipment. Durable, reusable and easy to clean, they help reduce water change frequency and create a healthy living environment for fish, shrimp and aquatic plants. Ideal for household and commercial aquariums.




Name | Data |
PH | 7.1 |
Porous Ratio | 65.54% |
Water Adsorption | 58.56% |
Volumn Denstity | 1.13g/cm3 |
Compressive Strength | 17N/mm |
SiO2 | 80.92% |
TiO2 | 0.13% |
Al2O3 | 7.87% |
CaO | 8.44% |
MgO | 0.71% |
Fe2O3 | 0.53% |
K2O | 0.53% |
Na2O | 0.11% |





About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI249998". Items marked "" are certified.
Company Profile
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd.
Company Profile
Established in 2010, Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd. is a high-tech enterprise specializing in the R&D, production, and sales of chemical packing and environmental protection materials. After 14 years of rapid development, the company has become a leading global supplier of industrial packing materials, with products exported to over 100 countries and regions. We employ more than 300 staff, including nearly 100 technical professionals, forming a highly skilled and experienced R&D and production team.
Corporate Strength & CertificationsAuthorized Certifications: Certified with ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health & Safety Management System.
Technological Leadership: Holds 17 national patents and has been awarded multiple national-level "High-Quality Product" titles.
Production Capacity: Modern manufacturing facilities with an annual output exceeding 10, 000 tons, capable of meeting large-scale global demand.
Core Products & ApplicationsOur main products include:
Ceramic Packing: Ceramic balls, structured ceramic packing, and random ceramic packing, featuring high-temperature resistance, corrosion resistance, and durability for harsh industrial conditions.
Adsorption & Catalytic Materials: Molecular sieves, catalysts, and activated alumina, widely used in petrochemical and gas purification industries.
Environmental Filtration Media: Activated carbon and filtration materials for wastewater and exhaust gas treatment.
Metal & Plastic Packing: Lightweight and corrosion-resistant structured/random packing for diversified industrial needs.
These products are extensively applied in domestic industries such as power generation, petroleum, chemical processing, metallurgy, environmental protection, and pharmaceuticals, as well as in high-end sectors including aerospace. They are also exported to Europe, North America, Southeast Asia, the Middle East, and other global markets, earning long-term trust from customers for their superior quality.
Quality & Service CommitmentAdhering to the principle of "Quality First, Innovation Driven, " we implement strict quality control from raw material selection to production, ensuring stable and reliable product performance. We provide customized solutions, technical consultation, and after-sales support to deliver lasting value to our clients.
Vision for the Future
Rongjian Environmental Protection will continue to innovate in the field of industrial packing materials, promoting sustainable industrial development through advanced technology, and striving to become the most trusted global partner for our customers.
About Our Factory & Business Background
- Address
- No. 1-269, Zone B, Xiangdong Industrial Park, Xiangdong District, Pingxiang, Jiangxi, China
-
Terms of Payment
- T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, DAP, FCA
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Ton
-
Supply Chain Partners
- 1
Our Production Capability & Technical Expertise
- Main Products
- Ceramic Ball, Pall Ring, Molecular Sieve, Honeycomb Ceramic, Activated Alumina, Structured Packing, Metal Random Packing, Plastic Random Packing, Ceramic Random Packing
-
Production Lines
- 2
-
Production Machines
- Furance, Electric Kiln, Drying Furnace, Screening Machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 1 Years
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001, ISO45001:2018
FAQ
- What is the material composition of the bio rings?
- Made from high-quality glass ceramic materials with 95% purity, containing SiO2, Al2O3, and other oxides.
- Can these bio rings be used in saltwater aquariums?
- Yes, they are suitable for both freshwater and marine aquariums, fish tanks, and koi ponds.
- Do the bio rings affect the water pH level?
- No, they have stable chemical properties and do not affect pH levels or release impurities.
- Is customization available for this product?
- Yes, OEM/ODM orders are welcome with customizable specifications, colors, and packaging.
- What is the minimum order quantity?
- The minimum order quantity is 1 Ton.
- How long is the lead time for production?
- The average lead time is one month for both peak and off-peak seasons.
- Are the bio rings reusable?
- Yes, they are durable, reusable, and easy to clean, helping reduce water change frequency.
- What certifications does the company hold?
- The company holds ISO9001:2015, ISO14001, and ISO45001:2018 certifications.
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