... related companies , Their Relationship will be affirmed according to china laws and regulations , also it will be clearly display ... Model No. Available Date-Expired Date CE Certificate Shenzhen Best Technology Co., Ltd. BT0701290716 Car Alarm System, VT-200, VT-200W, VT ... 01/31 --- 2049/12/31 CE Certificate Shenzhen Best Technology Co., Ltd. BT0706181162 Keyless Entry and Central Locking System, VT- ...