BeijingShiAn Technology Instrument Co., Ltd possesses the ability todesign, manufacture and sell gas detectioninstruments in local and global markets. The gas detectioninstruments we designed are widely used in petrochemical,municipal environmentalprotection, coal mine, fire fighting, research labs, beverage,residential places and other natural andwide ranges of industrial environments. Our main productsare handheld gasdetectors, which can detect and monitor various toxic, VOC,oxygen, combustible andflammable gases real-time concentration and provide usersdetection solution and alarmsignals against potential dangers to ensure good air quality andpersonal safety. Our company started with designing and manufacturing plastic enclosures of electric appliances at the outset, from year of 1997, today we not only have our design and development team for plastic enclosure molding&manufacturing, but also for gas detection system instruments. We are experienced in customizing different gas detection instruments according to customers requirements. Management principle of our company is Design ability and Technology will lead the trend of our products and future of our company.