Jinshan company provide spira l wound gasket like these:
spiral wound gasket:  graphite  sprial wound gasket 
                                       asbestos spiral wound gasket
                                       non-sbestos spiral wound gasket
                                        ptfe /teflon spiral wound gakset 
Additionally we provide oval sharp spiral wound gaskets.
and so on with  client need, such as ss304 ss316,ss321
size: both small and big one are available. DN 10-5000mm, 1/2'' to 60''
Standard: ASME , ASNI, JIS, JPI, drawing are ok. OEM providing

contact: dcseal[at]126 dot com