Established in 1982 and dedicated to R&D of family flexible heating products, Chengdu RAINBOW Appliances (Group) Inc. has become both market and brand leaders of the Chinese electric blanket industry. As the world's largest manufacturer of electric blankets, we are proud of an annual sale of 8 million RAINBOW electric blankets - China Top Brand and China Famous Trademark. We are the nation's developer of the industrial standard, and organizer for both draft and revision of the national standard of electric blankets. We have developed an integrated capacity for electric blanket R&D and manufacturing in the respect of non-woven fabric, controller functions and structure, and double helix heating wire, where our total production of double helix heating wire reaches 4 million Kilometers. We have accomplished a full quality control mechanism for production of electric blankets, supported by the 4,000-time mechanic strength testing, automatic 3,750V-immersion testing of heating wire, 2,500-time bending testing, flame retardant needle, and other national-level testing facilities for electric blankets. Our quality and testing team of over 50 staff ensures finest uniformity and stability of RAINBOW products. Our 150-plus technological patents of electric blankets cover the world-leading double helix heating wire and the automatic temperature control technology. RAINBOW has become a nation's trustworthy brand under our persistent pursuit for warm and comfort sleep of Chinese families.