Sheng Jay Automation Technologies Co., Ltd. was founded in October, 1991. We are specialized in designing and manufacturing cutting edge Bluetooth and GPS products for worldwide markets. We have experience in OEM and ODM manufacture for distribution and system integration. Sheng Jay's formula for success is based on sound design and engineering, stringent quality control, and strong customer support. We try to quickly discover and efficiently fill market needs. Our goal is "to produce an ...