Dongguan Sincerity & Success Electronic Manufactory (subcompany of Sincerity & Success Trading (HK) Co., Ltd.), located in the economically developed and electronics-centered Dongguan City in the Pearl River Delta in Guangdong, is a professional manufacturer with over 7 years\' experience in designing, developing, producing and selling digital scales in KL brand with a wide range of pocket scales, jewelry scales, mini scales, luggage scales, fishing scales, digital jewelry boxes, sound boxes