sirs dear,have you ever produced russian market for? gost standart russian and?you can see our enclosed pipe fittings order and flanges 1st 2018. we buy gate valve, balls brass, flanges, pipe fittings than mil $15 per year more and so on.during china with 10 years we work. our company name is import purchasing energoserviskomplekt. us about heard you may be.name is official arma.. ruregards bestpurchasing directorandrew pattype: plate, blind, slip-on, wn,-lap jointpackage: flange standred exporting packingstandard: jis ansi gost din Show More