Blue-plate leh yellow-plate meter 4.2-a sei refrigerated truck pahnih hian dan angin operating permit an nei tur a ni. Refrigerated truck transport hi specialized vehicle anga classified a nih avangin a kalpui danah hian dan anga hremna awm thei tur venna atan permit kaihhnawih a ngai a ni. Tunah hian China ram bial tam zawkah chuan operating permit lakna tur hian meter 4.2-a sei refrigerated truck khauh taka kalpui a ngai lo a, mahse beisei loh taka enfiah leh pawisa chawi tam loh nan driver-te chu inpeih reng tur leh dan kaihhnawih zawm tur a ni.
