Door Hardware manufacturers Product attributes Part NameInvestment casting stainless steel hinges Production processInvestment casting, machining Shipping statusFinished product included assembly Tolerance standardVDGP690-D2 class from Germany standard Material304, 316, 1.4308 or 1.4408 StandardSUS ASTM Heat treatmentSolution treatment (If need) Surface treatmentSatin-finished Machining methodMachined Max. size300mm*300mm Max. weight60.00Kg Surface roughnessRa1.6-6.3 for casting surface Product details Investment casting stainless steel heavy duty door hinges, large door hinges, stainless steel door hinges. Material:stainless steel 304. Bright polishing and load weight 50Kg.Used for industrial cabinets and mechanical equipments. OEM and ODM orders are welcome. Please contact us with our email: info@jinda96.com RFQ Q.Do you have some stocks for the hinges A.No, we don’t have, we can start production when we received the order from customer. Q, Can we directly purchase this part from your side. A, I’m sorry that you can not purchase it from our side, because it is customized by my customer. Q.Is this not your own product? A.No, it isn’t, that is the parts we customized production for my clients. Q.What about the terms of quotation and the terms of payment? A.Terms of quotation, CIF FOB, terms of payment, T/T, 30% deposit, 70% against the copy of BL Q.What format of the drawing will be availability for you? A..stp, dwg, igs, pdf, jpg, so on will be ok, it will best if you could give us 3D model, so we can shorten our quotation time.Door Hardware manufacturers website:http://www.jd-investmentcasting.com/door-hardware/