Cast Grey Iron Sand Casting Parts Pole Line Hardware Square Washer
Product Details
Investment casting (lost wax casting) | Stainless steel casting Alloy steel casting Carbon steel casting Bronze and Brass casting Aluminum casting |
Sand casting | Clay wet sand type Resin sand casting Water glass sand casting |
Machining | Drilling, Reaming and tapping CNC Turning machining CNC Milling machining |
Heat treatment | Annealing Solution Normalizing Tempering Quenching Induction hardening Hardening and tempering |
Surface treatment | Manual polishing Electro-polishing Electro-plating Power coating Tumbling |
Our Workshop


About Us
Supreme Machinery is a trusted leader in the casting industry with 25 years of experience. We specialize in producing ductile iron, gray iron, and vermicular iron castings, as well as high-precision machined parts for industries such as automotive, rail transportation, industrial machinery, and renewable energy. Production Capacity Casting Capacity: With an annual production capacity of 30,000 tons of castings, we can meet both small-batch and large-scale production requirements.
Quality Control

FAQ
1.Q: What should I offer to get the price?
A: Please provide us with your drawings (material, dimensions, surface treatment, tolerances or other technical requirements), quantities, applications or samples, and then we will provide you with a more accurate and reasonable price.
2.Q: What is your minimum order quantity?
A: We accept small orders, even sample orders.
3.Q: Are you a factory or a trading company?
A: We are a trading company, but with our own factory, we provide you with a one-stop service from mold design to finished parts.
4.Q: What is your delivery time?
A: It depends on your casting size, technical requirements and quantity, under normal circumstances, sample within 25 working days, mass production within 60 working days.