Zhengzhou ThoYu Mechanical & Electrical Equipment Co., Ltd. Cím Room 1602, Building 9, Henan E-commerce Industrial Park, High-tech District, Zhengzhou City, Henan tartomány, Kína Telefon +86-0371-61877373 Email inquiry@thoyu.com thoyuwyt@gmail.com Whatsapp 008613733828553