SIZE：2140×940×420~720mm It adopts clutch driving theory which can easily realize the conversion of the five positions. Bed head/foot boards are made of high quality ABS engineering plastic, generous in appearance, freely installed, reliable and easy to clean. Bed frame welded by profile steel are stable and reliable. The surface treated with advanced electrostatic plastic spray is anti-aging and anti-rust. Stainless steel collapsible side rail is easy to use. 125mm dia. Noiseless individul castors. The product has been assessed and conforms to the following standards: GB/T 19001-2000 idt ISO 9001:2000.