Justar Group (head company: Hangzhou Justar Environmental Technology Co., Ltd. ), located in Hangzhou city, is a corporation integrating the R&D, design, manufacture and sales of electronic products with great quality, such as kinds of speakers,water filters. We also provide customers with trade service. Establish in 2005, located in Shijie Town Dongguan, JUSTAR ELECTRONICS FACTORY has been specialized in R&D and manufacturing kinds of mylar speakers, loudspeakers, microphone units, and buzzers, used in wide areas like telephones, radio, MP3, MP4, earphones and headphones, monitor, toys, TV, mobile phones, door bells, computer, notebook, and some other digital products. Having 5 engineers with more than 10 years of experience in this area, we have capability to customize the speakers as per customers' different request. Ten production line and more than 200 skilled production staffs ensure prompt delivery time for orders.12 seasoned QC staff checks and makes sure that all incoming materials comply with ROHS standard. Our company strictly following ISO9001: 2000 principles. For each order, we ensure the goods inspected and qualified 100% before shipment. We ensure that we will provide all clients best service, including quality control, quantity count and documents for clearing customs, prompt delivery and after sale service.