Category: Factory Diary

For homes that rely on private wells, groundwater, or natural spring water, sediment, rust, cloudy water, and fine suspended particles can affect everyday water quality. Installing the right well water filtration system helps reduce targeted contaminants before water enters household plumbing, helping protect faucets, showers, washing machines, and other water-using appliances from sediment buildup. If…

A user recently posted a question online: “The water quality in my community is good, and I want to buy a Water Filter. However, I have heard that filter replacement and maintenance can be expensive. How should I choose?” This is a common and reasonable question. If the water quality in your community is already…

A Guide to a ¥5,000 Budget and Household Water Quality With a budget of ¥5,000, which water filter should you buy? This question may seem simple, but the answer depends on more than just the brand, price, and filtration accuracy. A few days ago, someone asked me this question. I did not immediately recommend a…

When choosing a water filter, many people focus on two questions: Does having more filtration stages mean better purification? And if the measured TDS value is low, does that mean the water is safe enough to drink? In reality, neither assumption is entirely accurate. The filtration performance of a water filter depends not only on…

Just a few days ago, the Chinese distributor of a high-end American water purifier brand officially approached ChengrongTimes to discuss a cooperation project. The project arose from a practical industrial water treatment need: the client had to provide a drinking water purification solution for more than 1,600 factory employees while also meeting the substantial daily…

Description: Learn why Water Filter water smells bad, compare RO, ultrafiltration, and nanofiltration, and discover filter maintenance tips to help prevent odors and microbial contamination. Why Does Water from a Water Filter Smell Bad? Which Is More Prone to Problems: RO Reverse Osmosis, Ultrafiltration, or Nanofiltration? I recently came across a video in which a…

If you do not want to buy a water filter that contains antiscalants, which filtration technology should you choose? To answer this question, we first need to understand how scale forms and why RO reverse osmosis membranes are susceptible to scaling. Understanding these principles will help you better understand the characteristics of ultrafiltration water filters…

Description: Learn the differences between whole-house water filters and Under Sink Water Filters, including PVDF ultrafiltration membranes, RO reverse osmosis, and water filter selection based on local water quality. How to Choose a Whole-House Water Filter: Whole-House Filtration vs. Drinking Water Filtration Many consumers believe that installing a whole-house water filter means all the water…

Description: Established in 2008, Chengrong offers ultrafiltration membrane R&D and manufacturing, water purification equipment OEM/ODM services, and customized water treatment solutions. How Large Is Chengrong’s Ultrafiltration Membrane Factory? A Manufacturer’s Honest Reflections “Chengrong, is your factory really this big?” This afternoon, a customer from overseas visited our factory. As soon as he walked into the…

People often ask me: What is the ideal inlet pressure for an ultrafiltration membrane? I usually avoid giving a specific pressure value because tap water pressure varies from place to place. If I say 3 bar, people whose household water pressure reaches 4 or 5 bar may start worrying: Can they still use an ultrafiltration…

Description A 164 m² home faces yellow water and frequently clogged filters. ChengrongTimes compares three whole-house ultrafiltration water filter solutions and explains selection, maintenance, and long-term costs. How to Choose an Ultrafiltration Water Filter? A Whole-House Water Filtration Case Study for a 164 m² Home A Live-Streaming Consultation That Solved a Whole-House Water Filtration Problem…

Private Well Water Case Study: Choosing the Right Well Water Filter for Your Home For homeowners who rely on a private well, clear water on a sunny day does not always mean stable water quality. After heavy or prolonged rainfall, well water can suddenly become cloudy, yellowish, or contain more sediment. This is a common…