| Shenzhen STD Traffic Equipment Co., Ltd |
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| manufactured with a professinal equipment, anthorized with ISO9000 certificate. high security and long durability. the whole set is made of 3mm steel plate and seamless steel pipe through forging and pressing. interiorly processed with anti-rusting technique, exteriorly processed with Static electrocity spray , water and dust proof, easily located in dark with a reflective coat . specially made core lock. easy to operate |
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