CYG Changtong New Material Co., Ltd is a subordinate high-tech enterprise of Changyuan Group Ltd, which is the biggest base producing heat-shrinkable material in China(Stock Code: 600525).
CYG Changtong is specialized in R&D, manufacturing and sales of heat-shrinkable material for pipeline anticorrosion, heat-shrinkable wraparound sleeves for connecting of telecommunication cables and connection accessories for fiber cables. . We have a group of well-trained doctors and masters, who have engaged in the earliest R&D of all kinds of heat shrinkable products. We pursue technique development and innovation of products. 
CYG Changtong has first-class production equipment and advanced testing instruments, which can guarantee the strict control of the whole production process. We enjoy sound product inspection technology.
CYG Changtong has established modern system aimed to enterprise management. It has been assessed and registered as meeting the requirement of ISO09001 AND ISO14001. The properties of products meet the standard of all industries and international standard.