window hinges (friction stays)of different specifications, ranging from 2.0-3.0mm in bar thickness, 15-18mm in bar width and 15-22mm in groove width. we can also produce friction stays according to your own requirements We are a specialized manufacturer of window hinges with a monthly capacity of 600,000 pieces. We produce our own brand window hinges "Rx" and "Deliwang". Owing to our own raw material processing equipment, we have a strict and thorough quality control of our[...]