China Kinwa Hi-Tech. Co., Ltd. Changchun is the largest supplier of heat shrinkable materials in China. As a result of rich experience in technical support work, we have developed Changchun heat shrinkable products for 15 years. Meanwhile, our trademark "CIAC" becomes a very famous brand. We develop, manufacture and sell heat shrinkable materials. All products are designed to help our customers improve the reliability of their networks and equipment. As a kind of high-technical product, CIAC heat-shrinkable material can be shrunk to a wide variety of shapes when heated during installation. Our products are applied in many fields, such as power & telecommunication cables, switchgears, electronics, pipelines, etc. Our company sets up a complete set of production processing and quality guarantee system. The products are inspected strictly to conform to international standards.