1, Nanjing Derun Shuangfei Co., Ltd. has a professional R&D team, which can continuously introduce innovative and competitive products to meet the different needs of customers.
2. Nanjing Derun Shuangfei Co., Ltd. pays attention to product quality, establishes a perfect quality management system, and carries out strict quality control from raw material procurement, production and processing to finished product testing to ensure stable and reliable product quality.