Kamfanin: Hongkong Guijin Technologh Limited Tel: +86 138 2371 7740 / +86 136 9163 2590 Na cikin gida: Daria ZhaoImel: daria@gj-smps.comWayar hannu: +86 138 2371 7740 Kasashen waje: Terry LiuImel: terry@gj-smps.comWayar hannu: +86 136 9163 2590 Adireshin: Room 706, Ho King Commercial Center, No.2-16, Fa Yuen Street, Mongkok, Kowloon, Hong Kong.
