Lead glass lead glass transmittance ≥85%, to 4.5 lead equivalent radiation; 30 × 50 rectangle outside inlaid steel skeleton of radiation protection experts, 1 mm thick 304 brushed stainless steel edging. CT CT radiation protection requirements room room wall, ceiling should meet the requirements of 3.5 lead equivalent, CT room door electric protection should meet four lead equivalent requirements. 3.1.2 In order to facilitate monitoring of staff working conditions which are divided into two categories: A. First Class: In this condition the radiation protection equipment, staff dose may exceed three tenths of individual dose limits . B. The second category: radiation protection door. Under these conditions, the annual dose staff unlikely to exceed three tenths individual annual dose limit. Our company is mainly engaged in medical gases, hospital decontamination and radiation protection engineering, many times in recent years to undertake relevant projects completed 100% of the radiation protective doors | radiation protection | Hebei Medical Ericsson Ericsson provided by Hebei Engineering Limited. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hebei Hengshui medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!