Qingdao Lehler Filtration Technology Co., Ltd. is a leading manufacturer of 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. Lehler is able to produce wedge wire tube with minimum slot 0.015mm (15micron), diameter size from 16mm to 1,500mm, maximum length 4,000mm.