... . Product Name: riding wheel/Marine rudder/shaft/ sternpost system, such as rudder blade, quill shaft,anvil stand,support roller,cast steel joints ... so on, using ASTM, BS, NF, DIN, JIS, ISO etc. standard with carbon steel and alloy steel materials. These castings can ... of Jiangsu Province. Its main products include rudder blade, quill shaft,anvil stand,support roller,cast steel joints for bridge,gear ...