Product Description: MaterialCarbon steel: S235JR, P245GH, P280GH, C22.8/P250GH, S355JR Stainless steel: SS304/316/ 304L/316L ProcessingForgingSurfaceZinc Plated & Yellow PassivatedPackingPly- wooden case or PalletFlange ApplicationsWater works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc. OEM Service: Quality & Inspection: 1. Test to verify material grade; 2. Dimension controlling during fabricating and finishing process; 3. All products are tested before shipping; 4. Packed in fumigation-free plywood cases; 5. Third party inspection available; Our Certifications: Advantages: 1. Rich experience in handling orders for heavy buyers with professional process; 2. Stable raw material purchasing; 3. Favorable orders follow-up management; 4. Laudable lead-time & shipment control; 5. Traceable quality evaluation; 6. Flexible payment terms; and 7. Remarkable after-sale service.
https://www.zhongnuoflange.com/special-flanges/