This is Ada from APS in China and we focus on Power more than 10 years. We have professional R&D and production of various switching power supply adapters, PD wall charger, wireless charger, and car charger. Our products comply for CE, FCC ,SAA and ETL. We offer OEM and ODM mobile power accessories . Also we design&manufacturer PCBA for our customers, and supply pcba for manufacturer out side of China and offered them assembling service. Our advantage are 7 days to design and finish pcba samples and design maximum power with smallest size with worldwide certifications. We can bring you advanced product solution with competitive price.