we are a manufacture in China, At present we can supply the angle seat valve (stainless steel 316)and pnuematic actuator ( stainless steel 304) I would like to stress that there are few munafacturer in China can supply actuator made of S.S steel, but we have exported our products for years. you can get more info from our website .cn we have get ISO9001:2000 by TUV. Our product enjoy a good sale in America and europe, pls contact me for details.