Ụgwọ nke ụlọ ọrụ Tianjin Beyond Technology Developing Co., Ltd. Adreesị Mpaghara Ule Azụmahịa efu Tianjin (Distrikti Azụmahịa etiti), Tianjin, China E-mail info@beyondtd.com Ekwentị +86 18602687372