Dongguan Changan tradition of helping the Department of Electrical and Mechanical Services is a business dedicated to provide enterprises with Nissan and the European production injection molding machinery and equipment-based boutique-class technology service providers, there are full-time engineers to deal with maintenance services for enterprises provide on-site inspection, pick up delivery, installation and commissioning and other high-quality professional services, and can provide long-term contract with the company repair, maintenance, training, one-stop service