With a focus on customers' potential needs, Zhongshan Dajin caster Co.,Ltd.has the ability to provide one-stop solutions. Dajin's heavy duty casters has wide application. Here are a few examples for you. Dajin's heavy duty casters are well-designed and practical. They feature good quality, fine workmanship and reasonable price. The products are of excellent quality and favorable price, please feel free to contact us for quotation! Dajin's heavy trolley wheels series contains multiple sub-products.

What is the difference between the end water purifier and the front water purifier? The filtration accuracy of the end water purifier is relatively high, and it can generally be drunk directly. The pre-water purifier mainly filters large particles such as sediment, which plays a protective role in the end water purifier.

What are the filter models of the pure water system security filter? How to choose? This needs to see what model is installed in your original security filter, otherwise you can't install it when you buy it back, usually using the following: the PP20-30 is also the 20-inch precision filter element or 20-inch pp cotton we usually say (there are two kinds, one with a plug and the other without a plug ); 30-inch folding filter element; 40-inch with skeleton filter element.The filtration accuracy of the pure water industry is 1um-5um, but these filter elements are different because of the product quality, and the price difference in the market is relatively large, mainly the density and thickness of the wrapped cotton.