... 3.Integral antitheft design 4.White Metal Outdoor Telecom Cabinets Summary : To improve flexibility for engineering installation and ... . The maze-like ventilation waterproof structure on outdoor cabinets provides an optimal solution to the controversy between hermetic ... No leakage insideMain customersChina Unicom, China Telecom, CMCC, Eaton Industries Pty. LTD, FOTUSA Limited Complete-Comms Pty. LTD, ...