Qingdao Lehler Filtering Technology Co., Ltd. is a leading manufacturer of high-quality wedge wire screens, screen baskets, bend sieves, flat panel screens, and separation equipment. We serve a wide range of industries, including water treatment, food, paper, pharmaceuticals, ink, paint and coatings, petroleum, powder metals, and cosmetics.


At Lehler, we treat quality as a commitment and strive to uphold it in every aspect of our operations. To ensure the stability, performance, and consistency of our products, our quality experts conduct rigorous inspections at multiple stages of production. Quality has always been our top priority. Our company is certified under GB/T 19001-2016, GB/T 24001-2016, and GB/T 45001-2020 standards.


Lehler offers a comprehensive range of all-stainless-steel filtration systems designed for various filtration and separation processes. We are capable of producing wedge wire slot tubes with a minimum slot opening of 0.02 mm (20 microns) and a minimum diameter of 16 mm.


Relying on advanced technological equipment, a professional R&D team, and a high level of production capacity, we deliver highly cost-effective products and solutions to our customers.


Our product and service network spans the entire domestic market, and our products are exported to Europe, the United States, South Korea, South America, Southeast Asia, Taiwan, and other regions. We are committed to building a leading brand in the filtration industry.