Shenzhen Wanyi Technology Co., Ltd. was established in 2011, based on the promulgation of the first domestic Indoor Air Quality Law. Shenzhen Wanyi Technology Co., Ltd. set research and development, sales, after-sales, technical consulting in one, has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, products through CMA and CE, ERP, measurement certification; And drafted the "negative ion detector" enterprise standard. In 2019, it obtained the "High-tech Enterprise Certificate". Through years of accumulation of technical and...…Shenzhen Wanyi Technology Co., Ltd. was established in 2011, based on the promulgation of the first domestic Indoor Air Quality Law. Shenzhen Wanyi Technology Co., Ltd. set research and development, sales, after-sales, technical consulting in one, has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, products through CMA and CE, ERP, measurement certification; And drafted the "negative ion detector" enterprise standard. In 2019, it obtained the "High-tech Enterprise Certificate". Through years of accumulation of technical and...WW…