Since sixties TYHI has, based on its effort, developed, designed and manufactured plate and strip deep processing equipment. At eighties it started to introduce foreign technology and carry out co-production, having consecutively designed and manufactured over 30 plate and strip deep processing production lines with different functions and different technical level for the customers both at home and abroad, mainly including plate-strip push-pull and continuous pickling train, single-row galvanizing and continuous galvanizing train, silicon steel strip heat treatment line, 1700 4-high reversing cold rolling mill train,temper mill train, slitting and cross shears train and blanking line, etc. Especially in 1991, it produced 1830 blanking line in cooperation with Komatsu , Japan for Jinbei Automobile Plant, No. 1 Autobile. In 1997, it produced slitting and cross cutting line in cooperation with HNUGERER, Germany for Baoxin Special Steel Co., Ltd., representing the international advanced level at nineties.

For recent years it has, in cooperation with MHI-HITACHI, produced and manufactured 6-high 4-housing UCM continuous cold rolling mill train for Ma’anshan Steel. It has, in cooperation with SMS, Geramany and Danieli, Italy, produced and manufactured complete cold rolling equipment, such as double-housing reversing cold rolling mill train, temper mill, recoiler train, pickling train and transportation chain, etc. for Baotou Steel, Jinan Steel, Hantan Steel and Lian Steel, representing the most advanced level of the continuous cold rolling mill trains in the world at present.  Recently, it has, in cooperation with SMS, Germay, FiTa , America , produced and manufactured hot galvanizing train, color coater train and hot galvanizing furnace for No. 2 cold rolling project of Wuhan Steel. It has, in cooperation with DMS, France, produced and manufactured 2250 stainless steel wide plate heat treat equipment for Taiyuan Steel. It has, in cooperation with CMI, Belgium , and MISUBISHI & HITACHI, Janpan, produced and manufactured galvanizing & pickling train for Shoudu Steel.