Shenzhen E-Union Technology Co., Ltd.ShenZhen Tonkey Technology Co.,Ltd is the subsidary of Shenzhen Dituo Electronic., Ltd., an aroma diffuser production enterprise established in 2009 which specializes in R&D, production as well as sales of aroma diffuser guaranteed with ISO9001:2008 standard certificates.E-union possesses measurable working area over 4500 sqm, and owns 250 staffs. We provide comfortable working environment features garden style workshop. It locates in Baoan District, adjacent to Shenzhen Bao'an Intl' Airport, traffic convenient with the superior geographical position. Except for our professional R&D team, E-Union (attracts over 20 professional technicians and researchers) owns Marketing Center, Operation Center, Manufacture Center and Finance center. Occupies the most up-to-date technology, strong R&D capability as well as laboratory, all our production is proceeded in clean workshop managed by an excellent quality management team with high competence,fully satisfy all customers' different requirements. E-Union already passed CE, FCC, RoHS certificates, in compliance with the standard of TUV, BSCI etc., obtaining high reputation from all clients. We have our own Injection Workshop, Material Workshop, Production Workshop, Warehouse workshop, We have eight production lines.