?Xinyuji Industrial Company is located in Shenzhen, Guangdong Province, China. It is a professional enterprise engaged in the production, research and development, and sales of titanium diaphragm series products for tweeters. We have our own titanium foil rolling plant, titanium diaphragm, and tweeters production workshop. Our website targets global online wholesale and retail: a series of products such as titanium diaphragm and tweeters. Our factory's products have excellent quality and favorable prices. We accept bulk production orders. If you need it, please leave a message on WhatsApp or contact us via email