BA?ZHOU?SHENG?ZE?TECHNICAL?DEVELOPMENT?CO.,LTD,founded?in?2004,?is?near?to?Tianjin?and?the?capital?city?of?Beijing.?Our?products?include?GB、JIS?、BS、DIN、ANSI?steel?flange?and?forged?steel?flange?with?mild?steel?material,?has?steady?Property,?the?dimension?and?the?tolerance?of?the?products?is?standard.?Our?product?is?absolutely?accord?with?national?standard?tolerance?requirement?and?also?produce?the?blind?plate?according?to?customers’?requirements,?we?specialize?in?manufacturing?chemicals?piping?element,?include:?standard?fastener,?flange?and?pipe?fitting.?there?is?Strong?technical?force,?advanced?production?technology,?detection?means?complete?and?the?products?are?exported?to?the?United?States,?Britain?Fancem，Germany,?Italy,?Canada,?Japan,?Korea,?Argentina?and?Australia?more?than?20?countries?and?regions.?We?supply?our?products?to?petroleum、chemical?industry、machinery、power?Enterprise、coal?mine?in?china.