Qingdao Lehler Filtering Technology Co., LTD is a leading manufacturer of the high-quality wedge wire screens, screen baskets, bend sieves, flat panel screens and separation equipment. We service many industries including Water Treatment, Food, Paper Industry, Pharmaceutical, Ink, Paint and Coatings, Petroleum, Powder Metals and Cosmetics.


At Lehler, we treat quality as a pledge and work towards achieving it in all ways possible. In order to maintain the quality, stability and performance of the products, our quality expert undergoes stringent quality checks at various levels of production. Quality has always been our most priority. Our company has got GB/T 19001-2016, GB/T 24001-2016 and GB/T 45001-2020 certificates.


Lehler offers a wide range of all stainless steel filtration systems used for many filtration and separation processes.


Lehler is able to produce wedge wire slot tube with minimum slot opening 0.02mm (20micron), minimum diameter is 16mm.


Relying on advanced technology equipment, professional R&D team, high level of production capacity, we provide our customer with the highest cost-effective products and solutions.


Our Product and service network coves the whole domestic market, and products are exported to Europe and the United States, South Korea, South America, Southeast Asia, Taiwan and etc. We strive to create the leader brand in filtration industry.