Topwill Group Limited — Honkonga
Adrese: Nr. 1 Queen's Road Centrālajā Honkongā.
Jiangyin Topwill Welder Co Ltd - Ķīna
No185, Shashan Avenue, Zhouzhuang Town, Jiangyin pilsēta, Dzjansu, Ķīna
Jiangyin Topwill Flange Fitting Co Ltd - Ķīna
No185, Shashan Avenue, Zhouzhuang Town, Jiangyin pilsēta, Dzjansu, Ķīna
Jiangyin Topwill Hi-Precision Co Ltd — Ķīna
No185, Shashan Avenue, Zhouzhuang Town, Jiangyin pilsēta, Dzjansu, Ķīna
EverRich Flange SDN.BHD — Malaizija
Adrese: 16, Jalan Permata 1A/KS 09, Pusat Perniagaan Bestari, Taman Perindustrian Air Hitam, 42000 Klang, Selangor. Malaizija