Hi I'm Jennifer. We are a manufacturer of AC and DC cooling fans with complete testing equipment and strong technical force. Our main products are 3-20cm AC/DC cooling fans, AC high temperature resistant fans and AC/DC waterproof fans, which are widely used in communication equipment, power supplies, smart home appliances, air purifiers, automotive electronics, LED lights and medical equipment, etc. I would like to introduce our company to you and hope to have the opportunity to cooperate. Can you give me a chance? I am happy to send the product catalog for your reference and await your response to this email. Best regards! ------------------------------------------------------------- Jennifer Dong Guan Xiang Yue Electrical Machinery CO., LTD