Ningbo Double Win Industrial Co., Ltd. is a leading manufacture and export of automible Diaphragm Spring in China, and also supply auto parts and accessories(clutch system and brake system) We having been provide production for OEM and AFM market around oversea and domestic market with good quality, reasonable prices and shipment delivery in time and customer-oriented services. Please feel free to contact us if you have any inquiries or questions, we are looking forward to building up business relationships with clients based on mutual benefits in the near furture.