At Kingbull, we have an applied and engineering technology center where we set up department of engineering technology, applied technology department and after-sales department which form a complete and effective service and technical support system. In addition, we have professional engineering technicians who offer customers one-stop services throughout pre-sales, in-sales and after-sales periods. This can totally ensure the quality of Kingbull plastic pipes and fittings during transportation, handling, storing, installation and use in your construction projects.