Pre sales service: We will implement "pre-sales service" when your company selects our products, conduct technical exchanges, and meet various and special requirements of users. After sales service: 1. After all products are delivered, our company provides comprehensive "after-sales service" to provide technical consultation and installation guidance. 2. During the installation and debugging of the equipment, we will dispatch our company's engineering and technical personnel to the site to provide on-site guidance and technical training for the end user operators. 3. We will also ensure that any faults are discovered during the cable warranty period. Upon receiving written notice from your company, our technical personnel will arrive at your company within 24 hours for on-site service. 4. During the production process or product delivery, we sincerely invite your company leaders to visit our company for guidance and inspection of product quality. And responsible for receiving experienced and competent professionals dispatched by your side, and providing necessary working conditions.