Taiwan Chang An Electric Co., Ltd? provides Synchronous Motors and CCTV Scanners. Established in 1974, we have accumulated abundant experience in design, innovation, and production. ISO9001, CE and RoHs certificates are granted. // AC Synchronous MotorMotors have five years warranty, limited to indirect transmission usage under normal industrial environment. Using Japanese high-precision magnets and German ELEKTRISOLA magnet wire, motors have voltage tolerance 2500V/sec under CE standard.Features: low temperature rise, noiseless, high quality and long life spanFunction: forward/backward rotation, commutation rotation, one-way rotation,Materials: steel step pulleys, gear damage test tolerance 150kg with no cracks or skiddingRPM: RPM1-200//CCTV ScannerScanners have two years warranty, limited to indirect transmission usage under normal industrial environment. Using semi-permanent magnetic induction control, products have long life span.CHANG AN scanners are designed with patented structures and durability designs from the motors to transmission structures. The main body comprises two sets of needle roller bearings, ball bearings, and counterweight sleeves control structure, and up to 90% of wear may be reduced and lifespan may be extended.Taiwan Chang An Electric Co., LtdTEL:+886-2-27670620FAX:+886-2-27670626Web:http://www.changan-motor.comOFFICE:1F, No.331-3, FuYuan St., Taipei City 105, Taiwan (R.O.C)FACTORY:No.28, Ln 78, XingAi Rd., Taipei City 114, Taiwan (R.O.C)