Shenzhen Changyuan Changtong New Material Co., Ltd. (Changyuan Changtong for short), is the son company of Mr. Li Ka-shing�??�?�¢??s Groups. With increasing demand of Environmental Friendly Marketing, under the great efforts of whole company staffs, a green, environmental friendly PET based, heat shrinkable Tube have been successfully developed, This product is widely used in electronic components such as aluminium electrolytic capacitor, battery, as well as used as packing application in the fields of Chemicals, Machinery, foods, agriculture, light textile, bottle capping and so on. Changyuan Changtong complements ISO9001Quality Assurance Systems, and have obtained the Certifications of International Quality System ISO 9001: 2008 Version. Product quality comply with the common standards of States and Internationals. Our main pursue is to supple customers the product of safety, convenience and reliability as well as satisfactory services. Changyuan Changtong are laid stress on social benefits and actively fulfill the social responsibility, ISO14001 Environment Management system have been overall carry out in the company and have gain the Certificate of ISO14001 Internationals.