OEM литья стальных деталей клапанов

Various high quality CNC machining cast iron/steelastm gear parts---On promotion OEM castingAccording to the customer’s drawing and requirements Course of productionModel making→Molding/Core→Mold assembling→Melting→Pouring→Opening→Finishing→Heat treatment→Non-destructive→Inspection→Welding→Test StandardASTM, ANSI, DIN, GB, NF, ISO, BS, JIS Casting processwater-glass sand casting, water-glass investment casting, lost-wax investment casting, clay sand casting, furan resin sand casting, shell Casting, die casting Our Materialstainless steel, carbon steel, low alloy steel, ductile iron, gray cast iron, aluminum alloy InspectionUltrasonic test, magnetic particle test, tensile test, X-ray test, Liquid penetrate test, etc. Surface treatmentAnti-rust oil, powder coating, epoxy spray coating, anodic oxidation treatment, plating or as per requirements PackagingWooden case, carton, crate, bag, parcel, bale, package, barrel, etc. Casting OEM serviceMaterial:iron, gray iron, ductile iron, steel, stainless steel, carbon steel, alloyProcess:sand casting, investment casting, die casting and so onStandard: GB, ASTM, DIN, JISWeight range: 5g-20tonCasting process: client drawings—pattern—raw casting—machining—packing—delivery.Casting quality control system 1. Drawing control Confidentiality–Be confidential to the customers’ drawings. Check- Technician checks the drawings and confirms dimensions Confirmation – Confirm the production process & inspection process according to the drawings 2. Mould making control Inspect the dimensions and material according to drawing. Send test reports and photos to customers. 3. Raw Casting control Produce according to the production tracking form Use advanced inspection equipments to ensure internal quality of the product. Check the test bar and record relevant information to each bulk. Send the photos and test data of each step to customers. 4. Machining process control Produce the samples according to the confirmed casting process. Train the relevant staff before producing according to the machining and inspection process. Our inspector will track the quality and time of the products during producing. Any problems on quality and process must be feedback to our customers. Do the finial inspections to the products and send the relevant data and finished product photos to the customers. 5. Packing and Delivery control Determine the size & material of the box according to the shape & number of products. Taking different anti-rust protection to products according the delivery time Put dimensional reports, chemical & mechanical documents, test bar and photos into the packing box Send the photos of whole packing process to customers. We are manufacture whichmainly produces pump parts, valve parts, cylinder parts, tractor parts, lathe body, furnace parts and so on. We can also supply you other castings according to your requirements. We promise to supply you perfect design, professional quality control, competitive prices and excellent after-services