Ninghai Sir Jianheng Stationery Co., Ltd. Cyfeiriad Rhif 192, Heol Lianhe, Tref Qiantong, Ninghai, Sir, Dinas Ningbo, Tsieina. E-bost nbjianheng@vip.163.com Ffôn 0086-135866767830086-574-65517559 WhatsApp 0086-13586676783