... are hebei JiMeng high-pressure flange pipe group co., LTD., our group is a professional production and sales in north China the ... pipe fittings.My company's main products are: elbow, flange, tee, reducer, etc. Hebei JiMeng flange group specializing in the production ... pipe fittings.My company's main products are: elbow, flange, tee, reducer, etc. Hebei JiMeng flange group specializing in the production ...