| Customization: | Available |
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| After-sales Service: | 12 Months |
| Warranty: | 12 Months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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About Us
Supreme Machinery is a professional Metal Foundry, located in Ningbo. We have been producing Gray Iron,
Ductile Iron Castings and and any other precision castings for more than 25 years.
We are dedicated to meet different requirements of various customers across the world, products are mainly
involved Agricultural and Construction Machinery, Hydraulic, Mining industry, Municipal Products, some steel
and stainless steel castings for Pumps and Valves, Pipe Fittings, etc.
| Products Name | Hex coupling nuts |
| Grade | 3.6 to 12.9 etc. |
| Size | Customized |
| Material | Carbon steel, stainless steel, Brass, Titanium. |
| Head/Tread styles | According client's requires |
| Coating/Surface treatment | Zinc, Tin, Nickel, Chrome, Titanium,, Dacromet, Heat dip zinc, Chromate etc. |
| Certificate | ISO9001:2008, ISO14001:2004 |
| Packing | Varies of packing according clients requires. |
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