
Maanshan Ruiyi Machinery Co., Ltd, an international manufacturer dedicated to industrial air duct solution, is specialized in the square air duct, round duct making machines and many kinds of bending, cutting, rolling equipments. We have two plants, which are located in industrial park, maanshan city and tengzhou city in China. RUIYI has put brand building as its core mission which powers the enterprise Development throughout its growth. A global service network backed by RUIYI's Strong technical ...