Shanghai Lianxiang Environmental Technology Co.... is a Shanghai LianXiang Environmental Technology Co., Ltd, that is a professional environmental testing and analysis equipment supplier. Our staff have rich experience in product applications and the ability to quickly respond to customer needs and provide appropriate products, solutions and services. Our products and solutions cover the following areas: * indoor and outdoor environmental monitoring: (temperature and humidity, noise, illumination, wind speed) * Laboratory testing analyzer * Gas detection (toxic and harmful gas monitor & transmitter )