From July of 20 1 1, China security guards will gradually change into 201/security guards' clothing and wear uniform security service marks. It is estimated that by the end of 20 12, more than 4.2 million security guards in China will all be replaced with new security uniforms. The Ministry of Public Security requires 20 1 1 security guards' clothing and security service signs to be unified nationwide, with unified identification and unified management.