Large Machinery Precision Parts

55Mn2,55Cr,60CrMnMo,60SiMnMo

We buy steel ingot from Baotou Iron & Steel (Group) Co. LTD, Xingcheng Special Steel and Chengde jiankong Special Steel, who produce high-quality steel ingot. We have 18 years experience and have ability to meet customers’ any needs. We provide the lowest price and the highest quality, also, we have two years guarantee period. We have a level 2 lab.

Material for Mandrel : H13 or according to the customer's requirement
Application of steel mandrel : Mainly used for seamless steel pipe piercing technology
Production equipment for forged mandrel : We can do forging , heat treatment , rough machining and final machining by our own factory
Inspection for forgd steel mandrel for seamless tube : We have professional inspector and a physical and chemical laboratory construction of National Grade 2 standards

Quality first is our principle.
HHF has been certified by API Q1 Quality Management System.
Customers are very satisfied with our high quality. Our technologists can design the drawings as per customers' requirements.

Material for fan shaft : 34CrNi3Mo or according to the customer's requirement
Application of fan shaft : Mainly used in large wind power equipment
Production equipment for shaft : We can do forging , heat treatment , rough machining and final machining by our own factory

We buy steel ingot from Baotou Iron & Steel (Group) Co. LTD, Xingcheng Special Steel and Chengde jiankong Special Steel, who produce high-quality steel ingot. We have 18 years experience and have ability to meet customers’ any needs. We provide the lowest price and the highest quality, also, we have two years guarantee period. We have a level 2 lab.

Henan Zhongyuan Heavy Forging Co.,Ltd (HHF) is a National Hi-Tech Enterprise which concludes four plants--Forging Plant, Heat Treatment Plant, Machining Plant, Petroleum Equipment Plant, one Provincial Engineering Technology Research Center for Drilling Tools Stabilizer, one laboratory, one Municipal Technology Research and Development Center.
Oil Steam Cylinder Forging is one of our products. High quality can be guaranteed.

We buy steel ingot from Baotou Iron & Steel (Group) Co. LTD, Xingcheng Special Steel and Chengde jiankong Special Steel, who produce high-quality steel ingot. We have 18 years experience and have ability to meet customers’ any needs. We provide the lowest price and the highest quality, also, we have two years guarantee period. We have a level 2 lab.

Material for flange : 16MnD or according to the customer's requirement
Application of fan flange : Mainly used in large wind power equipment
Production equipment for wind power flange : We can do forging , heat treatment , rough machining and final machining by our own factory
Inspection for large wind power flange : We have professional inspector and a physical and chemical laboratory construction of National Grade 2 standards