Long Top Electronic Co., Ltd. Is an in-house designing manufacturer of timepieces and timers in China, we have been specializing in producing and exporting the watches, clocks, stopwatches, pedometers, jumping rope, pill box timer, count-down timer, etc. For promational & advertising market. OEM & ODM are welcome! ! ! To serve you well, please click below superlink to see our various product range: * digital watch* quartz analog watch* carabineer clipwatch & key chain* stopwatches / timer* thermometer LCD clock / LCD clock* pill box timer; pedometer, digital jumping rope,