Langfang Ousen Technology Co., Ltd. is a company that specializes in the production and sale of thermal insulation building materials. With over 20 years of experience in domestic manufacturing, sales, design, and research, as well as more than 8 years of experience in manufacturing and foreign trade, we have established ourselves as a comprehensive enterprise in this industry. Our main focus is on providing customers with customized insulation nails, and we also offer a wide range of other insulation building materials such as plastic expansion anchors, nylon integrated nails, and plastic steel integrated nails. Our factory was established in 2006 and covers an area of 3,000+ square meters. We cater to both domestic and foreign trade export enterprises, serving customers from all over the country. With 15 professional production lines, we are able to produce 100,000 pieces per day, ensuring that we can meet the fast delivery requirements of our customers.