Shenzhen Sunbow Insulation Materials MFG. Co., Ltd. was established in 2003. Our company is mainly engaged in the research & development, manufacture and sale of various insulation materials. After several years of development, Sunbow has become one of the leading manufacturers of insulation sleeves in China. Due to an expansion in our business, our factory moved to Guangming New District in Shenzhen, covering a floor space of nearly 10,000 square meters. We can offer an extensive range of thermal and dielectric protection sleeves designed for a wide range of electromechanical devices, electronic wiring, household electrical appliances, lighting and automobiles. Our main products include fiberglass sleeves, silicone tubes (especially the platinum cured silicone tubes), PTFE Fiberglass PVC coated sleeves, Fiberglass PU coated Sleeves and Heat shrinkable tubes. All our products