Zhengzhou yidayuan trade co. LTD. is a professional Outdoor sports products manufacturer located inZhengzhou China. We are also an MFi certified factory that having made all kinds of phone,s accessories As your reliable business partner in China, we operate the process from design produce, and quality control to deliver. We are doing our best to make our every item in good quality and every deal is smooth going. More than 80 of our products import to overseas% especially to EU and US. As a seasoned manufacturer we have our rounded production system. In our factory, we have about 100 workers servicing in very process of mass production. And to meet the different OEM ODM requirements of customer from all over the world& we have our own RD Dept.to finish our production design and improvement. To control the quality& we built a professional QC Dept. and test every product.