Since 2003, Ningbo Rongshen Precision Casting Co.,Ltd. has established a solid reputation as a leading manufacturer of superior precision investment castings in China.We are proudly serving world class OEM's in the agricultural,construction,mining,automotive, oil & gas industries around the globe. Operating 17,000 ㎡ foundry and 3500 ㎡ machining plant, with 10 + years casting production and 30 + years precision machining experiences, it has been certified by ABS, BV, DNV-GL,ISO9001,TS16949, etc. RS is able to offer you the most cost effective supply option that is appropriate for your company. Lost wax casting is the main technology of investment castings.The engineers in RS foundry have been in this field for many years with mature technology. So we are in great confidence to ensure good quality. Whatever your requirements in carbon steel or alloy steel castings, from the simplest to the most exacting specifications, a RS sales representative will be happy to discuss any needs you may have.