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Sunarrow Limited was founded in 1959 and took its first steps as a manufacturer of industrial rubber products. At that time, Sunarrow has been primarily a manufacturer of water proofing gasket for wristwatches. In 1970, Sunarrow’s development of the world’s first conductive rubber keysheet manufacturing processes allowed us to supply the rapidly changing consumer electronics industry; to provide parts for calculators, remote cotrols, electrical music instruments, cordless phones, and other electronic conveniences that were spreading around the world.

Sunarrow has been adapting and improving its unique hybrid keysheet technology for hand held electronics, especially for mobile phone applications and now enjoys a world-class reputation for technological innovation. We are serving a highly vertically integrated turn key manufacturing capability in house, and we are recognized as a major keysheet supplier that can consistently meet and exceed the challenging and ever changing expectations of our customers. We are committed to continuous operational and quality management improvements. Our challenge is to achieve our full potential by responding to the demands of our customers for high quality, technically advanced products. 

  • Company: Sunarrow Citi Co., Ltd
  • Legal Representative: Yuji Tokimune
  • Year Established: 1991
  • Address: 15 Moo 3 Phahon Yotin RD., KM.99, Nong-Nak, Nong-Khae, Saraburi, Thailand
  • Phone: +66 3638 2100
  • Fax: +66 3638 2199
  • Email: [email protected] / [email protected]
  • Website:


  • Capital: 500 Million Baht
  • Company Certification: ISO 14001:2015; ISO 9001:2015; ISO/TS 16949; TLS 8001:2010
  • Machinery Equipment: OKAMOTO ACC 64DX Grinding Machine; OKAMOTO ACC-350 II Grinding Machine; YASDA YBM640V, 640V3 CNC Milling Machine; MAKINO A55, V55, KE55 CNC Milling Machine; FANUC ROBODRILL CNC Milling Machine; MITSUBISHI EX12E Wire Electric Machine; DISCHARGE Machine A300W; Sand Blast Model; PM-750S IEPCO AG Peeling Machine; Injection Machine; Hot Stamp Machine; Spray Painting Machine; Sputtering Machine; Vacuum Coating Machine; Screen Printing ; Pad Printing; Super Spindle Machine; Robot Machine; YAG Laser Maker Machine; Co2 Laser Maker Machine; Green Laser Maker Machine; Mixing Roll Machine; Rubber Vacuum Molding Machine; Screen Printing Machine; Conductive Printing Machine


  • Automobile-related Keys and Medical Equipment Keys
  • Keysheets for Mobile Phones
  • Digital Camera Keys and Music Player Keys
  • Various Silicone Rubber Goods and Other Products

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