China Drawing Customization of Ductile Iron Vacuum Die Casting Free Forging Machined Parts

Our company can supply various Sand Casting Parts (OEM) according to the customers' drawings and requirements. Please offer us your enquiry with detailed drawings, specifications, unit weight, quality requirements and pictures. We will supply you not only the products with good quality but also competitive price and satisfactory service!

Material: Ductile iron, Stainless steel , Steel, Grey iron, Aluminium alloy, Copper alloy.Process: Sand Casting.Heat Treatment: Quenching, Tempering, Annealing, Normalizing, Nitridation, Carburization.Surface Treatment: Zinc-Plated, Hot dipping galvanized, Polishing, Painting, Powder coating.Machining Equipment: CNC Machines, Turning Machines,Drilling Machines , Milling Machines, Grinding Machines,etc.Measuring Tool: CMM, Projector, Vernier Caliper, Depth Caliper, Micrometer, Pin Gauge, Thread Gauge, Height Gauge, etc.Weight: 0.1-3000kgs.Application: Machinery Parts, Construction Industry, etc.Package: Plywood or wooden case, pallet (As per customer's requirement).

Production Equipments & Processes

Machining Shop

With our powerful precision CNC machining equipments such as lathes, milling machines and drilling press, we can easily operate Turning, Drilling and Milling. Furthermore, we are able to run other operations like cutting, grinding, bending, shaping, planning and sawing.

Quality Control

Overall product quality inspections is from raw materials incoming inspection, semi-finished products inspection, specimen testing, and products testing. We strictly follow the procedures of ISO 9001, IQC, IPQC & FQC. SYI has independent inspectors and QC engineers to check & record in accordance with the procedure and submited for approval/audit.

Technical Support

SYI Group has 26 years of independent development and design ability. We have 30 senior engineers, who is skilled at AUTO CAD, PRO ENGINEER, SOLID WORKS and other 2D & 3D softwares. We are able to design, develop, produce and deliver your PO according to your drawings, samples or just an idea. Dual control of standard products and OEM products.

We Are Certified

SYI Group achieves the certificate of ISO 9001:2008 for the Quality Management System from TUV Rheinland. Meanwhile, SYI Group holds the Kitemark License/BSI/SGS/BV/NF/CE/WRAS/UL/FM certificates for different products.

Contact Us

SYI Industrial Co., Ltd.



Best Regards
SYI Group

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Detailed Description of SYI Ductile Iron Vacuum Casting:
1), Product Information:
SYI Foundry offer ductile iron castings under different casting processes: Hand moulding, machine moulding line, resin sand and etc. By furnace and cupola.
2), Material
GJS 350-22, 400-18, 400-15, 450-10, 500-7, 600-3 and 700-2
3), Designs
* As per the customer's drawings
* As per the customer's samples
4), Inscription Style
* SYI Foundry
* As per customers' requests
5), Packing
* Wood pallet
* Steel pallet
* As per customers' requirements
6), Inspection
* Foundry in-house
* Third Party inspection available upon requirement
OEM parts is welcome.
More information is available upon receipt of your enquiry.
You will get our quick reply!

Ductile Iron Castings: 1) molding process:Resin sand/Green Sand2) Material:EN-GJS-400-15/EN-GJS-500-7/EN-GJS-600-3/EN-GJS-700-23) Molding:Hand molding/Molding machine Z145/146/148/Molding line.4) Possible Heat Treatment:Annealing5) Industry involved:Municipal industry/Construction industry/ Fluid
industry/Automotive industry6) Part unit weight range:0. 5kg-2000kgs7) Max/Min wall thickness requirements:4mm-250mm8) Manufacturer Certification:ISO9001