Dongguan Chang'an Keyu Plastic Hardware Electronic Materials Sales Department was established in 2003 and is a manufacturer integrating plastic connector development and professional hardware processing. Our company has now developed a series of USB products, battery seats, seat button batteries and other products. With management in good faith and "quality first" principle, we hope to create a future with all businesses. Our company is located in Changan Town, Dongguan, Guangdong Province, China. Our company is currently serving clients in East and South China, Hong Kong,...