Shenzhen Grandsun Electronic Co., Ltd.

Shenzhen Grandsun Electronic Co., Ltd. is a manufacturer integrating OEM/ODM services. Our major products are hi-fi stereo, multimedia and noise-canceling headphones. Our products are ISO 9001:2008, 14001:2004 and QC080000 certified. We can solve your R&D, sourcing, production and logistics requirem... Read more