We specialize in manufacturing and selling cold shrink tubing and its related accessories. our factory has passed the quality management system audit and obtained the certificate of GB/T19001-2008/ISO9001-2008.Rely on our self-developed machine, we can not only supply high quality products to customers, but also ensure the lead time. Especially the cold shrink tube, have been passed the random test of Wuhan High Voltage Research Institute. Now our products are approved by more and more customers, and our brand RUNLIN becomes more and more popular. In order to develop rapidly and stably, we will continue to focus on research and keep a good communication with customers, to be your most reliable supplier in this field.