holdpeak.com,home air quality monitoring equipment,Zhuhai JiDa Huapu Instrument Co.,Ltd never stops to innovate home air quality monitoring equipment facing the highly competitive market. We partner with leading raw material manufacturer and select high-precision materials for production. They prove to be of significance to the long-time stability and premium performance of the product. The R&D department works on breakthroughs that will bring value to the product. In such a case, the product is updated constantly to meet market needs. HoldPeak provides home air quality monitoring equipment products that are selling well in United States, Arabic,Turkey,Japan,German,Portuguese,polish,Korean,Spanish,India,French,Italian,Russian,etc. HoldPeak,Our company main produces ac to dc converter 48vdc,power cord transformer,120v power adapter.