Frequently Asked Questions (FAQ)

HLJH - a professional manufacturer and supplier of cutting oil in Taiwan.

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Knowledge ( Q&A )

HAI LU JYA HE Co., Ltd. (HLJH), we are a manufacturer and a supplier of industrial lubricants. We have been focusing on manufacturing and marketing the industrial lubricants more than 30 years.


Therefore, we are going to sharing our experienced and frequently questions for your reference, like「What causes FOAMING COOLANT?」「How to Select the Right Hydraulic Oil」, and so on. These articles are useful and helpful for metal processing. For sure, if you have any unclear or any questions, please feel free to contact us or email to us.

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As a manufacturer and supplier of cutting fluids, there are many details should be noticed while metalworking processing. The articles as below are our know-how and experienced for your reference. It may solve...

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Industrial lubricants (such as slideway oil, hydraulic oil and rust preventive oil, etc.) are mostly used to lessen the wear and tear of material while reducing binding and friction. And, it can prevent...

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As we know, there are many brands of industrial lubricants for your reference. How to ensure quality of industrial oils? Just ask for certifications at first!!Product certification is the process of certifying...

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Eco-Friendly, Harmless & Low Pollution Industrial Lubricants Manufacturer And Supplier Since 1982 | HLJH

Located in Taiwan, HAI LU JYA HE CO., LTD has been an industrial lubricant manufacturer and supplier. Main products, include metalworking fluids, industrial lubricants, soluble cutting oils, semi-synthetic cutting oils, synthetic cutting fluids, neat cutting oils, rust preventive oils, slideway oils and hydraulic oils, which can reach 150 tons of cutting fluids per 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 harmful, 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. Our fundamental belief is to offer harmful and friendly products such as water-based cutting oils, 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.

HLJH has been offering customers high-quality metalworking oils and fluids, both with advanced technology and 39 years of experience, HLJH ensures each customer's demands are met.