1. Survey

TYHI has a history over 50 years for producing seamless steel pipe mills. It may supply complete equipment of Φ76-Φ800 hot rolled seamless steel pipe mills. It has consecutively produced complete equipments and trains, such as Φ140 seamless steel pipe continuous mill train, Φ170 three-high pipe mill train, Φ159 and Φ180 continuous pipe mill train,  Φ340 seamless steel pipe mill train,  Φ630 big pipe line,  Φ1200 seamless pipe line,  Φ720 hot rolled pipe mill train,  Φ273 pipe mill train,  Φ325 Assel pipe mill train,  Φ140 Assel pipe mill train, etc. The series specification trains of the rolling pipe equipments have taken shape. It has exported  Φ273 PQF pipe mill train and  Φ340 FQM pipe mill trains. TYHI has supplied all the spiral steel pipe train for transporting gas from the West to the East. It has also produced complete equipment of 20-56UOE big-caliber straight-seam welded pipes for Bao Steel.

THHI has produced over 400 sets of sheet and medium and thick plate levelers with various specifications and models. Its market share has reached over 90%. The levelers produced by this corporation may be found in the metallurgical, shipping building, machine building, instrument and space industries, etc. all over the country. It has produced complete cold rolling trains such as  6-roll, 4-stand UCM cold continuous mill train, 5-stand pickling continuous mill train, galvanizing train, color coating train, temper mill train, recoiler train, double-stand reversible cold mill train, pickling train and transportation chain, etc., representing the advanced level of the continuous  mill train in the world at present.    

2. Latest Products

• Complete equipment of Φ140 Aseel continuous pipe mill train    

• Complete equipment of  Φ159-Φ340 continuous pipe mill train   

• 5000mm cold-state wide-thick plate leveler

• Medium-thick plate full-hydraulic leveler

3. Achievements of Sales

• 31 sets of complete equipment of continuous pipe mill train

• 11 sets of spiral pipe train

• 1 set of complete equipment of big-caliber straight-seam welded pipes

• 23 sets of cold rolling mill train

• Over 50 sets of medium-thick plate leveler and over 370 sets of sheet leveler

4. Co-Production

• Produced  Φ340continuous pipe mill train,  Φ89 half-floating mandrel continuous mill train and Baosteel UOE in cooperation with SMS MEER, Germany

• Co-produced with SMS, Germany: Φ140 Seamless pipe continuous mill train,  Φ76 pipe mill train, galvanizing, cold rolling and pickling trains for Wuhan Steel, cold mill train for Jinan Steel, temper mill for Handan Steel, 4.3M cold straightener for Shouqin, 11-roll plate leveler for Baotousteel, 9-roll cold-hot levelers for Xiangtan Steel

• Co-produced with INNS, Italy :  Φ180 continuous pipe mill train for Baotou Steel

• Co-produced with VAI: temper mill for Jiuquan Steel, 11-roll plate leveler for Shouqin, 9-roll cold-hot levelers for Shagang, 9-roll cold-hot levelers for Laiwu Steel and 11-roll cold-hot levelers for Wuyang Steel

• Co-produced a lot of sets of cold mill train with U.S.A. , Germany , Belgium , Danieli and Komatsu , Japan

5. Exported Products

Since 2005 it has exported 4 sets of complete equipment of seamless pipe mill to India and Malaysia , etc.; 1 set of spiral pipe mill to India ; pipe extraction mill and sizing mill, to Germany , etc.