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    Shenzhen Sunbow Insulation Materials MFG. Co., Ltd. was established in 2003, mainly engaged in research & development, manufacture and sales of various insulation sleeves. We has leading R&D team, had a batch of industry-leading production equipment and advanced testing equipment. After more than 20 years of steady development, with the joint efforts of all employees, now we has more than 60 patents, and successively gained the "Shenzhen High-tech Enterprise" in June 2015 and the honorary title of "National High-tech Enterprise" in December 2016, and the 2nd time successfully passed the "National High-tech Enterprise" review in December 2022. In June 2022, it was awarded the title of "Boutique New" small and medium-sized enterprise in Shenzhen, and it was awarded the "Technology-based" enterprise in Guangming District in 2022.    Our main products include fiberglass sleeving, all kind of heat shrinkable tube, PVC tube, silicone rubber tube, PTFE tube, expandable sleeve, corrugated pipe, polyimide film tube and so on in R&D, production and sales. All of our fiberglass sleeving have been obtained the UL and CSA safety certificates (E333178--UZIQ2, VW-1 for flame retardant requirements; E333177--UZFT2/8,200C, 600V for temperature resistance level requirements); Our Heat shrinkable tube, PTFE tube, Silicone rubber tube and PVC tube have been obtained UL certificates (Cert. No.YDPU2/8: E360625); Our expandable sleeve also successfully obtained UL certificates in 2017 (Cert. No.UZIQ2: E333178). So far, our company is currently one of the few professional manufacturers of fiberglass sleeves in mainland China that have both UL and CSA certifications, and we are also the only one manufacture which can provide UL certificates that has obtained all colors and maximum size range (our certified specification range is 24AWG (0.55mm) ~ 1 inch (25.4mm)) in safety certification and certification specifications. (The same occupation only apply for the color certification of the primary color (white) and the certification size range is generally only 24AWG (0.55mm) ~ 3/8 inch (9.5mm) safety certification). At the same time, all products are in conformance with EU RoHS and REACH test report.     Our products are widely used in H&N motors, all of home appliances, electric heating equipment, special lamps, electronic instruments, electronic wiring harnesses, transformers, power adapters, 5G communication equipment, high and low voltage power distribution equipment and petrochemical, coal, Power systems, The key components of new energy vehicles (drive motors, battery packs, electronic control ) and high and low voltage wiring harnesses and supporting charging piles, charging guns, energy storage, battery soft connections, and UHV transmission, aerospace, defense and other fields.     Due to business expansion, we are not only retained the headquarters in Gongming, Shenzhen city, but also opened a new plant in Qiaotou, Dongguan city in December 2016. This two factories cover an area of nearly 20,000 square meters. And the monthly output of various types of sleeves over 40 million meters. In order to meet the needs of standardized management, we successfully upgraded and passed the ISO9001:2015 and IATF16949:2016 in July 2022. ISO14001 is currently being implemented.    Over the years, we has been enjoying good reputation in our industry by adhered to the business philosophy of "Faith, Practical, and Responsive". We also get supports and trusts from many international well-known enterprises, such as: Black & Decker in USA, Emerson, Whirlpool & Conair; SEB in France; Philips in Netherlands, Schneider, Siemens in Germany; Electroux in Sweden; ABB in Switzerland, Zoppas in Italy; Breville in Australia; Toshiba in Japan, Panasonic, Mitsubishi Heavy Insustries and Hitachi; South Korea's Samsung (SAMSUNG). In domestic, such as Huawei , Haier, Midea and CRRC, etc. Which have supported and trusted, and become their directly or indirectly recognized qualified suppliers. Furthermore, as a second level supplier of automotive systems, our products have been indexed in IMDS (International Material Substance System), and we have become a qualified supplier of many world-renowned brands of automobiles, such as Benz, Volvo, Audi ,Toyota, Landrover, GM, Ford, Honda, Nissan, Suzuki, Hyundai, Volkswagen,BYD, Geely, Tesla, Chongqing Xiaokan and Liuzhou Wuling etc.    We know that our task is long-term and arduous, but opportunities are aside with challenges. We “Sunbow” people will take on a new look and work hard to provide our customers the best quality products, first-rate service, the most competitive price and the most reliable technical supports. Return to our customers, return on the community.