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Dominion Parts
Dominion Parts
Products are made of high-quality alloy steel production. The plates are punched and squeezed bores by precision technology. The pin, bush, and roller are machined by high-efficiency automatic equipment and automatic grinding equipment, then through heat treatment of carburization, carbon and nitrogen protection mesh belt furnace, surface blasting process, etc. Assembled precision by internal hole position, spin riveted by pressure to ensure the performance of the entire chain.
| No. | Treatment Process | No. | Treatment Process |
|---|---|---|---|
| 1 | Shot Peening | 8 | Tempering |
| 2 | Bluing | 9 | Oiling |
| 3 | Nickel-plated | 10 | Greasing |
| 4 | Zincing | 11 | Special color |
| 5 | Heat Treatment | 12 | Stain proofing |
| 6 | Carburizing | 13 | Pre-stretched and anti-fatigue |
| 7 | Quenching | - | - |
Founded in 1988, we are a professional manufacturer of industry transmission chains, motorcycle chains, conveyor chains, dust and water-proof sealed chains, and special chains. We are the earliest manufacturer to develop and produce O-ring and X-ring sealed chains. Our sealed chains were awarded "outstanding new products of national chain industry."
With three famous brands: "YF", "QJ", and "HQL", more than 60% of products are exported to overseas markets. Our products completely conform to ISO, ANSI, BS, DIN, and JIS international standards.
