Shenzhen Sunbow Insulation Materials MFG. Co., Ltd, established in 2003, mainly engaged in the research & development, manufacture and sale of various insulation sleeving. And we had leading R&D engineers, had a batch of advantageous equipment and testing instruments. Now we had excess of 10 independent patents, gained high-tech enterprise in Shenzhen In 2015 and was officially recognized as the National High - tech Enterprise in end of 2016.

Our main products include fiberglass sleeving, silicone rubber tube, PVC tube, heat shrink tube, PTFE/FEP tube and so on. All our fiberglass sleeving had been obtained the UL and CSA certificates in 2010 (Cert No: E333178--UZIQ2, VW-1 for flame resistance requirement & E333177--UZFT2/8, 200C, 600V for thermal resistance requirement); Our heat shrink tube, silicone rubber tube ，PTFE tube and pvc soft tube had been obtained UL certificate in 2013 (Cert. No. E360625); PET Explandable sleeving had been obtained the UL certificates In 2017 (Cert.No.UZIQ2:E333178); Till now, we are the only one fiberglass sleeving manufacturer which obtained UL, CSA certificates. Also we are the only one manufacturer which can provide certificates for all color and maximum size range (from 0.55mm to 25.4mm). Also all our products are in conformance with the European RoHS & REACH requirements, furthermore, based on European new requirements, we re-applied and obtained German PFOA and PFOS certificates .