OEM custom parts

Quality Sand Castings Manufactured in China

Sino Industries serves as a contract manufacturer of metal parts for OEMs worldwide. We provide a comprehensive range of sand casting services that cater to diverse needs and requirements.

Sino Industries provides sand casting services for a variety of alloys and has versatile production lines to meet a wide variety of demands.

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Sand Casting Materials

We’ve got your sand casting needs covered with a variety of materials, including cast irons like gray iron, ductile(nodular )iron, as well as non-ferrous cast alloys like aluminum, brass, bronze, copper, and zinc – giving you plenty of options to suit your project perfectly! Our team is here to help you navigate the choices and provide expert advice on material selection.

ASTM A48DIN 1691EN 1561JIS G5501Ultimate tensile strength (MPa)Compressive strength (MPa)Elastic modulus (GPa)Hardness (HB)
Class 20GG10EN-GJL-100FC10015257266-97156
Class 25GG15EN-GJL-150FC15017966979-102174
Class 30GG20EN-GJL-200FC20021475290-113210
Class 35GG25EN-GJL-250FC250252855100-119212
Class 40GG30EN-GJL-300FC300293965110-138235
Class 50GG40EN-GJL-400FC4003621130130-157262
Class 60GG50EN-GJL-500FC5004311293141-162302
Mechanical Properties of Gray Cast Irons
ASTM A536DIN 1693EN 1563JIS G5502Tensile strength (MPa)Yield strength (MPa)Elongation (%)Hardness (HB)
Mechanical Properties for Selected Grades of Ductile Iron
GradeTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (BHN)
Grade 1/900-650-099006509%269-341
Grade 2/1050-750-0710507507%302-375
Grade 3/1200-850-0412008504%341-444
Grade 4/1400-1100-02140011002%388-477
Grade 5/1600-1300-01160013001%402-512
Mechanical Properties for Selected Grades of Austempered Ductile Iron

Foundry Automation

Our modern foundry have automated and computer-integrated facilities for all aspects of our operations, and thus we can produce a wide variety and sizes of castings at high-production rates, with good quality control, and at low cost.

Sand Casting Process

Recycled Sand Mix

Pattern Making

Core Production

Automated Melting



Shake Out

Finishing Operations

Manufacturing Services for
OEM Industries






Water Works


Food & Beverage

20 Years of Expertise of
Contract Manufacturing for OEMs

Since its foundation in 2004, Sino Industries has been a contract manufacturer of metal castings, forgings, precision CNC machining parts as well as assembly.

Our commitment to quality has established us as a reliable and even strategic supplier for large original equipment manufacturers of Fortune Global 500, as well as small/medium organizations.

About the Company

A Single Source Solution for CNC Machined Castings/Forgings

Sino delivers high-quality CNC machined casting/forgings, in virtually all main ferrous and non-ferrous alloys, such as carbon steel, alloy steel, ductile iron, grey iron, stainless steel, aluminum, zinc, magnesium, titanium, brass, bronze, etc.

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CNC machining

  •   CNC Turning
  •   4 axis CNC Milling
  •   5 axis CNC Milling
  •   Mill/Turn Centers
  •   Precision Grinding
  •   CNC Automatic Lathe Machining
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Casting & Forging

  • Forging
  • Sand Casting
  • Investment Casting
  • Die Casting
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Heat treatment

  • Carburizing & Nitriding
  • Case Hardening
  • Normalizing & Annealing
  • Quenching & Tempering
  • Solution Treatment
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surface treatment

  • E-coating
  • Electroplating
  • Hot Dip Galvanizing
  • Powder Coating
  • Painting
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As a manufacturing service provider, we extend a warm invitation to our customers to visit our manufacturing facility on-site. This provides them with firsthand insight into our processes, allowing them to see the quality of our work and understand our values.

Additionally, we make it a priority to regularly visit our customers located worldwide, fostering stronger relationships and better understanding their unique needs.

How to Verify Us

Sales Director

Customer Locations

Sino provides manufacturing services to original equipment manufacturers and contractors all around the world, our products are 100% exported to customers located in the countries below.

South Korea

Get in Touch With Us

Contact Details

Address: 169 Liqun Rd, Jiashan County, Jiaxing, Zhejiang, China
Tel: (+86) 0573-8472 2588
Cell: (+86) 135 5889 7953
Email: sales@sinoindustry.com

We are ready to support you in your product development journey from prototyping to production.

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