Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.  

Product Name: Underground Coal Mine Safety Equipment Refuge Chambers Model NO.: JYC Certification: CE, ISO Material: Aluminum Type: Life Hammer Suitable for: Adult Using Field: Coal Mine Application: Professional Equipment Number of Rated Protection: 20 to 100 People Rated Protection Time: Greater Than 96 H Refuge Chamber Temperature: No More Than 35