Wangduzhuang Village, Cuihuangkou Town, Wuqing Dist., Tianjin, China (Mainland)
Yangjiayuan Industial Area, Shuangtangzhen,Jinghai County, Tianjin 301600,CHINA
Qingzhou Heishan Mechanical Engineering Co., Ltd., Mihe Ind. Zone, Qingzhou, Weifang, Shandong, China (Mainland)
Li Bazhuang Village, Daqiuzhuang Town, Jinghai County, Tianjin
No.2, Baxian road, north district, Jinghai economic development zone, Jinghai district, Tianjin,China
Cui Jia Zhuang village, Daegu village, Jinghai County, Tianjin
NO.303 Huashan Road,Development Disctrict of Tanggu Marain Technology Park , Binhai Hi-tech Area, Tianjin