Heli pursues the service brand and focuses on every process of pre-sale, sale and after-sales service. The installation service branch is responsible for product service, and is committed to providing thoughtful and lifelong service to users. In order to strengthen the service quality, the leader of the company is the general manager of the installation service branch, and there is a very strong and professional installation service team. The installation service team has been engaged in the installation and maintenance of rubber dams and other related work for more than 20 years. It has rich on-site experience, comprehensive technology and continuous innovation, and is capable of installation and maintenance under various conditions. Its professional installation and maintenance technology and sincere service attitude are recognized and praised by the majority of users.