Cangzhou longsheng  pipeline equipment co.,ltd is loacated in longtan industrial zone,yanshan county ,cangzhou city of hebei province .it has registered capital of RMB51.88 million Yuan.It covers an area of 85000 square meters and bulding area of 4200 square meters.at present ,it has 225 staffs,which including 2 senior engineers.8engineers and 75 professional  technical personnel .in 2007，it passed the certification of ISO 9001-2001 Quality system.certification  of environment management system and the certification of occupathional safety and health  management system and got national special  equipment management license.the company  produce expansion joint (compensator,metal hose)rubeer flexible joint ,pipe fittings(flange,elbow,manbole ,air door ,flexible waterproof casing,rigid waterproof casing,telescopic joint,power plant fittings,suspension and support) in four series and complete specification  according to national standard and relevant standard strictly ,at the same time,we could produce different non-standard products according to special requirement of customers,and we sue computer software to design and check .contact person:tel:86-13613178737office:0317-8529358skype:angela-808email:sale808at126.com sale808atyeah.net