Introduction
QINGDAO LUANSAN FILTRATION CO., LTD. (青岛栾晟过滤器有限公司) is a Chinese industrial filtration company specializing in laser filter screens and laser melt filters for plastics processing. The company presents itself as a manufacturer focused on high-performance continuous melt filtration solutions, supplying products intended to combine high filtration quality, low operating cost, and stable processing performance for international plastics markets.
In the plastics industry, melt filtration is a critical downstream processing function used to remove contaminants and gels from polymer melts during extrusion, recycling, compounding, and film production. LUANSAN positions itself within this niche as a supplier of precision laser-perforated filtration components and related spare parts for equipment brands used in the sector, including Erema, Fimic/Break, Ettlinger, Mas, and Altech. The company is also listed on the CHINAPLAS exhibitor platform, indicating participation in the global plastics trade-show and sourcing ecosystem.
History and Development
LUANSAN’s public-facing materials indicate at least 12 years of laser application experience, suggesting a long-term specialization in precision laser drilling and filtration media. The company describes its core competency as the development and manufacture of high-performance continuous melt filters and laser filter screens, placing its development trajectory squarely within the evolution of automated, precision-based filtration technologies used in modern polymer processing.
The company’s exhibited presence on the CHINAPLAS platform shows participation in the event since 2016, with a recorded presence at CHINAPLAS 2024 and continued visibility in the 2026 exhibitor system. This suggests sustained engagement with the plastics-processing supply chain and an established export-oriented or trade-show-driven market strategy.
A further development milestone is the company’s stated ability to supply OEM mesh services and aftermarket spare parts for multiple die-head and filtration-system brands, indicating a move beyond basic manufacturing toward broader technical support and component compatibility services.
Business Operations and Segments
LUANSAN’s business is centered on plastic melt filtration hardware, especially precision metal mesh plates and laser-perforated filter screens. Its business model appears to combine direct manufacturing, OEM supply, and aftermarket support for industrial filtration systems used in plastic extrusion and recycling lines.
Key operational characteristics include:
- Manufacturing of laser filter screens for melt filtration applications.
- Production of laser melt filters for polymer processing equipment.
- OEM supply for host manufacturers requiring mesh components.
- Aftermarket spare parts for filtration and die-head systems from established brands.
The company’s CHINAPLAS listing describes it as a supplier in the plastics and rubber sector, and its platform profile includes recognition as a “specialized, refined, distinctive, and innovative” enterprise under Chinese government classification, a designation associated with technologically focused small and medium-sized firms.
Products and Technologies
LUANSAN’s principal product categories are laser filter screens and laser melt filters. Its website describes these as precision components used in polymer melt filtration, emphasizing laser drilling technology as the basis for hole formation and filtration consistency.
Notable technical claims and product features include:
- Tapered-hole metal mesh plates with apertures from 80 µm to 600 µm and 10–200 mesh equivalents.
- A design intended to reduce hole blockage, which is a key performance issue in melt filtration.
- A focus on high throughput, low operating pressure, and low scrap rate, all of which are relevant to extrusion efficiency and process stability.
- Compatibility with or replacement support for filtration systems associated with Erema, Fimic/Break, Ettlinger, Mas, and Altech.
Technically, these products are most relevant to continuous polymer processing where impurities, degraded polymer, and unmelted particles must be removed without severely restricting flow. LUANSAN’s emphasis on low pressure drop and anti-clogging behavior suggests a design orientation toward operational efficiency and reduced downtime, although detailed independent performance testing is not publicly provided in the available sources.
Applications and End Markets
The company’s products are primarily used in plastics processing, especially in applications where molten polymer must be cleaned before forming or pelletizing. Based on the nature of melt filtration, its products are most relevant to the following end-use areas:
- Plastic recycling and reprocessing
- Extrusion and compounding
- Film and sheet production
- Polymer purification in industrial conversion lines
More broadly, melt filtration systems are important in sectors pursuing higher recycled-content use and tighter contamination control. LUANSAN’s positioning around continuous melt filters aligns with these trends, particularly in operations that require stable filtration during long production runs.
Global Presence and Market Position
LUANSAN describes itself as serving the international market and states that it provides low-cost melt filtration solutions for global customers. Its repeated participation in CHINAPLAS and the exhibitor platform’s international sourcing framing indicate that the company is integrated into cross-border plastics equipment and components trade.
The available sources do not provide audited revenue, export figures, or verified market-share data. On that basis, the company can be characterized more cautiously as a specialized niche supplier rather than as a broad-based multinational manufacturer. Its market relevance appears to derive from technical specialization, compatibility with well-known melt-filtration brands, and participation in the plastics-processing supply chain.
Sustainability and Environmental Initiatives
Publicly available material does not identify a formal sustainability report or quantified environmental targets. Even so, the company’s technology is relevant to industry sustainability priorities because melt filtration supports polymer recycling and reuse by removing contaminants from recovered plastic streams.
From an industry perspective, this is significant because filtration quality can affect the ability of recyclers and converters to produce consistent output from post-consumer or post-industrial feedstocks. LUANSAN’s emphasis on low scrap rate and efficient filtration is therefore aligned with the broader plastics industry’s efforts to improve material efficiency and support circular processing.
Financial Performance and Economic Impact
No verified public financial statements, turnover figures, or profitability data were available in the supplied sources. As a result, the company’s financial scale cannot be reliably quantified here.
Its economic role is nonetheless clear in a supply-chain sense: LUANSAN provides specialized process components that contribute to productivity, filtration quality, and maintenance efficiency in plastics-processing lines. For processors, such components can influence uptime, product quality, and consumables cost, which makes filtration suppliers important technical vendors even when they operate outside the largest capital-equipment categories.
Leadership and Corporate Governance
The available sources do not provide a detailed leadership roster, board structure, or governance disclosures. Publicly accessible information identifies the company under its Qingdao corporate name and shows its status in industry exhibitor databases, but does not support more specific governance analysis.
Innovations and Future Outlook
LUANSAN’s innovation profile is centered on precision laser drilling and the adaptation of filtration screens for demanding melt-processing environments. Its claimed ability to produce tapered-hole mesh plates and compatibility with multiple international filtration-system brands suggests an orientation toward component standardization, retrofit support, and process optimization.
Future prospects for the company are likely tied to several industry trends:
- Growth in plastics recycling and demand for more effective melt filtration.
- Continued need for high-precision filtration components in extrusion and film production.
- Expanding demand for cost-efficient aftermarket parts for installed filtration equipment.
- Increasing customer interest in process stability, lower pressure drop, and reduced clogging in continuous production.
Given the available evidence, LUANSAN appears positioned as a specialized engineering supplier whose future performance will depend on continued technical reliability, customer compatibility across equipment platforms, and sustained demand from the plastics recycling and extrusion sectors.
Summary
QINGDAO LUANSAN FILTRATION CO., LTD. is a Qingdao-based plastics-industry supplier focused on laser filter screens and laser melt filters for polymer processing. Its public materials emphasize precision manufacturing, broad compatibility with established filtration brands, and solutions aimed at improving melt filtration efficiency, making it a specialized but relevant participant in the plastics-processing ecosystem.
References
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CPS+ eMarketplace. (n.d.). QINGDAO LUANSAN FILTRATION CO.,LTDQINGDAO LUANSAN FILTRATION CO.,LTD. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1028671Link