深圳市道勤实业有限公司，创立于2004年4月28日，历经十载的快速发展，形成了以研发为核心，贴片组装为龙头，品牌运营为主体的经营模式。公司本着以市场为导向，不断开发新型数码电子类产品，有全家多功能娃娃机系列，视频扩音器系列，MP3/MP5系列，游戏机系列，录音笔系列，玩具系列等产品，旗下拥有两个注册商标：道勤品牌、胡杨品牌，并且行销全国市场，有极高的市场占有率，健全的销售渠道！ SHENZHEN DOQUICK Co., Ltd. Founded in April 28, 2004，After the rapid development of ten years, The formation of the R & D as the core，SMD assembly as a leader， Brand operation as the main mode of operation!The company in line with the market oriented, and constantly develop new digital electronic products,video amplifier series, MP3/MP5 series, toys series products, Owns two registered trademarks: do quick brand, brand and marketing of Populus euphratica, national market, have high market share, improve sales channels! In 2014 into the "SAST" brand market operation, A Well-Known Trademark in China join, also be a tiger with wings added sales resources!