Gwybodaeth Gyswllt Peiriannau VKPAK Shanghai Co Ltd. Ffôn: + 86-21-34710825 Ffacs: + 86-21-34710825 WhatsApp: +86-13501931030 E-bost: [email protected] Ychwanegu: East Plant, Rhif.2009 Xupan Road, tref Xuhang, ardal Jiading, Shanghai, 201808, China.