Renqiu City Shuangkun Machinery Parts Co., Ltd. Adresa: Qyteti Shimenqiao, Qyteti Renqiu, Provinca Hebei, Kinë tel: 86 317 2909666 Telefoni: 86-17733739460 E-mail:ben1816@hotmail.com Faks: 86 317 2908998
