1.Size: Big size or as customers 2.Available: OEM and ODM 3.Delivery: in 5-20days 4.Certificate:ISO,CL,ABS Pay: TT or L/C we could supply products according the request of the customer's, special designes are also accept. Our main products are shafts, rolled rings , flanges,and forged round bar . Any questin please contact me ASAP! open die forging aisi4130