22/10/2013 · Advanced Process Control Technology for Thin Strip Rolling Kazuhiro Ohara, Masaki Nakaema, Siau Kah Choon1, Zhou Ming Wei, Yang Hui2 1. INTRODUCTION Hunan Valin Liangang Steel Sheet Co., Perfect Transfer Cart commissioned a new hot strip mill with an annual production of 2.4 million tons/year located in Hunan province, China, in December 2003.