Shenzhen Isaiah Industry and Trade Co., Ltd is focus on the bluetooth speaker earphone and headphone. We are located in Shenzhen Guangdong Province which is the world production center of cell phone accessories. All the purpose is to make more fun for the mobile phone life. Our advantages: 1. Mold Design and Development We believe high quality product comes from high quality mold. So beside of managing the quality of product we will also managing the quality of mold. We will checking every detail on the step of mold development. Including Initial Design, Mold Design to Final product come out. We open private mold for our customers upon customers special requirement. And to protect the market from copy product. A Mold agreement will be signed within the supplier chain. 2. High quality serviceWe can provide professional services including: Product Design, Product Development, Raw material procurement, Select manufacture, Production Supervision, Product assembly, Integrated logistics, Local freight arrangement, ect. 3. High Quality ControlWe have strict QC Process. Before shipment, we will check every detail of the product including installation, Product Details (Such as colors, logo, edge, sewing, design, hole position, mold line, glue, ect. ), as well as package. Make sure we are providing perfect products to our customers. We also cooperate with testing companies to check the product quality if necessary. And each lot of products will be inspected strictly.