Features:1) Supplied for surgical operation of chest, abdomen, E.E.N.T, gynecology and obstetrics orthopedics department 2) Elevated by feet-oil pump, mechanical transmission applied for head operation in other parts of the unit3) Model: OPT1012-3008A and OPT1012-3008S. The shell of the base and central cylinder are made of stainless steel, model OPT1012-3008 inbuilt bar of the base shell is made of stainless steel Specifications: producing area:China payment:L/C at sight , T/T in advance