Hangzhou Dongxing Telecommunication Material Co.,Ltd 3 years ago ID: #249811 Listed In : Driving Schools No.208 Qingxian Road, Linglong Industry Zone,Lin'an, Hangzhou, China 86-571-58605866 www.dongxing-al.com/ Business Description Ageing was found to happen through three stages, in the first stage cross linking increased in the material and caused a reduction in conduction current and the imaginary part of complex permittivity. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : flexible duct tape