Xi 'an, where can I buy a toxic and harmful gas detector?

The toxic and harmful gas detector is sold by Shaanxi Sheikh Electric Co., Ltd. in xi 'an. Shaanxi Sheikh Electric Co., Ltd. is an instrument enterprise approved and registered by the relevant state departments. Mainly engaged in Xi 'an gas alarm, northwest gas detector, Xi 'an toxic and harmful gas detector alarm. The company is located in Xi Chang 'an District, Shaanxi Province, China.