standard features: •High quality Aluminum materials as the main structure, one time automatically pressed. •High strength alloy aluminum materials for the track, to increase steady and reliability. •The two single-stretcher can be lift up/down easily, to let the two single-stretcher come to the same level, steady slide. •It can be locked automatically when the bed slide to any single stretcher, and there is an insurance equipment. •Direction wheel, easily operated only by one person. •Central-control brake wheel, to make it steady. •Central control braking system in every single-stretcher, reliable and steady during the movement or connection. •Its function and structure all come to the international modern level, can satisfy to the requirement of all hospital, choose for operation room. •The product has been assessed and conforms to the following standards: GB/T 19001-2000 idt ISO 9001:2000. dimension: size: 3650×640×640/970mm packing specification:2140×730×730mm N.W: G.W: sets in one 20＇container: sets in one 40＇container: