Shenzhen Haoyuxin electronics co., LTD. was established in 2006, as the top innovator of R&D car accessories multi-function car jump starter, portable solar generator powr supply devotes to provide the first-rate products and service to customers worldwide.Our factory is ISO9001 and products are CE FCC RoHS MSDS UL LVD certificates as well Invention Patent approved. With our dedicated team cooperation and advanced core technology, we are cooperating customers like JAC, Wal-Mart, Carrefour etc worldwide. We are able to match customers' OEM and ODM requirements.Powkey is steadily developing varieties products for better cooperation with customers. We are expecting to grow together with you.