Coolant Maintenance
Coolant Maintenance & Filtration System
In modern high-precision machining, the purity of your metalworking fluid directly dictates tool longevity and operator safety. Our patented, eco-friendly systems are engineered to achieve "Fresh Coolant Every Day" by eliminating tramp oil, removing micro-sediment, and suppressing microbial proliferation.
By stabilizing fluid chemistry, HLJH helps you minimize hazardous waste and operational overhead reducing disposal costs while fostering a cleaner, odor-free workshop environment.
Optimize Machining Efficiency with Cost-Effective, Sustainable Fluid Solutions
■ Oil-Water Separators
Our OSS-02 Oil-Water Separator is a high-capacity solution engineered to remove tramp oil and eliminate foul odors (the "rotten egg" smell) through integrated ozone sterilization. With a maintenance-free structure and no consumables required, it stabilizes fluid pH levels and significantly extends the service life of your coolants.
■ Chip Collection & Suction Filters
The SL-02 Chip Suction Filter is a pneumatic, electricity-free unit designed for quick and efficient cleaning of machine sumps. Capable of capturing ultra-fine particles down to 1μm, it removes metal chips, sludge, and carbon powder without interrupting production.
■ Offline Filtration Systems
For large-scale operations, our GBW-2000G Offline Filtration System offers a professional-grade solution. Utilizing positive pressure and multi-stage physical separation, this system provides continuous purification, removing both floating oils and suspended solids while maintaining ideal fluid concentration.
💡Why choose us
1. Our designs prioritize "Zero Consumables," reducing your environmental footprint and operational overhead.
2. Plug-and-Play Efficiency - easy to install on any CNC machine without complex modifications.
🌏 Your Global Partner
Hai Lu Jya He is a trusted Taiwan-based manufacturer specializing in high-performance industrial lubricants with a core commitment to reliable global logistics and on-time delivery. With established distribution networks in the Philippines and Malaysia, we proudly serve a diverse international clientele across India, Vietnam, Thailand, China, Peru, and Colombia.
We are actively expanding our global footprint into the Mexico, USA, and European markets, ensuring our ISO 9001:2020 certified operations meet the highest international quality standards. Backed by full technical support and comprehensive documentation (SDS, TDS, RoHS), we provide our global partners with the consistency, efficiency, and compliance required for modern precision manufacturing.
Unsure which system fits your sump capacity?☎️ +886-4-25332210
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Oil-Water Separator
The OSS-02 Oil-Water Separator is a high-capacity maintenance solution designed for large-volume...
Chip Collection & Suction Filter
The SL-02 Chip Suction Filter is a precision filtration unit engineered to keep machine tanks...
Offline Filtration System
The GBW-2000G Offline Coolant Purification System is a high-performance positive pressure filtration...
Coolant Maintenance - Coolant Maintenance & Filtration System | Premium Metalworking Fluids & Wastewater Solutions | HLJH
Based in Taiwan, HAI LU JYA HE CO., LTD is a leading manufacturer and supplier of premium industrial lubricants such as Coolant Maintenance. Our comprehensive product line features metalworking fluids, including soluble, semi-synthetic, synthetic, and neat cutting oils, alongside rust preventive, slideway, and hydraulic oils. With advanced manufacturing capabilities, we produce up to 150 tons of high-quality cutting fluids every month.
HAI LU JYA HE Co., Ltd. (HLJH) have been focusing on manufacturing and marketing the industrial lubricants more than 30 years. Our fundamental belief is to make a harmless, friendly with lives, businesses, and leaving a lasting legacy for generations to come. We offer metalworking fluids (water-based cutting fluid, neat cutting oil), rust preventive oil, hydraulic oil, slideway oil, spindle oil, gear oil and so on that cover the whole industrial lubricant value chain. We are committed to providing eco-friendly and safe industrial solutions with a comprehensive product line such as water-based cutting oils, neat cutting oil, rust preventive oil, hydraulic oil, slideway oil, spindle oil, and gear oil that covers the entire industrial lubricant value chain.
HLJH has been offering customers high-quality metalworking oils and fluids, both with advanced technology and 45 years of experience, HLJH ensures each customer's demands are met.




