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.
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...Read more
Product qualification is the process of certifying that a certain product has passed performance tests and quality assurance tests, and meets qualification criteria stipulated in contracts, regulations,...Read more