1. The piston is made of 304ss steel and tin bronze.
2 Heating up both the steel section and tin bronze section to 200 centigrade degree, then bond the both sections under high pressure.
3. surface treatment: 0.15mm chrome-faced.
material: 304ss & tin bronze
processing: fully machined
temperature of media: normal temperature
port: Ningbo/ Shanghai
supply ability: 80000pcs/month
Phone: +86-574-88651248 Fax: +86-574-88659818
