Welcome to Shenzhen Grand Exploits Technology Co.,Ltd.We are a professional manufactory for the musical instruments products and consumer electronics accessories in China. Over eight years foreign trade, our have got high appraisal from customers of all over world. In international ...

We, Hengkaituo instrument, was founded in 2003, located Shenzhen, Guangdong, which is a professional and reliable air quality instrument manufacturer exporter. The product scope covers including monitor, purifier,aroma diffuser & humidifier. All our products are compliant to the global ...