Topwill Group Limited- HongKong
Aderesi: No 1 Umuhanda wumwamikazi Hagati ya Hong Kong.
Jiangyin Topwill Welder Co Ltd- Ubushinwa
No185, Umuhanda wa Shashan, Umujyi wa Zhouzhuang, umujyi wa Jiangyin, Jiangsu, Ubushinwa
Jiangyin Topwill Flange Fitting Co Ltd- Ubushinwa
No185, Umuhanda wa Shashan, Umujyi wa Zhouzhuang, umujyi wa Jiangyin, Jiangsu, Ubushinwa
Jiangyin Topwill Hi-Precision Co Ltd - Ubushinwa
No185, Umuhanda wa Shashan, Umujyi wa Zhouzhuang, umujyi wa Jiangyin, Jiangsu, Ubushinwa
EverRich Flange SDN.BHD - Maleziya
Aderesi: 16, Jalan Permata 1A / KS 09, Pusat Perniagaan Bestari, Taman Perindustrian Air Hitam, 42000 Klang, Selangor. Maleziya