Thirty Years of Vacuum Engineering
Nantong Rongheng has mastered the precision machining required for high-vacuum applications over three decades. Our pumps are designed for the sincerity and professional reliability needed in pharmaceutical, electronic, and chemical vacuum processes where air purity and deep suction are vital.
| Ultimate Vacuum | Up to -85kPa (Single Stage) |
| Air Flow | 0.5 - 150 m3/min |
| Internal Surface | Precision-Ground Finish |
| Seals | Vacuum-Tight Mechanical Seals |
Industrial Vacuum Usage
- Vacuum distillation and evaporation
- Electronics component degassing
- Industrial central vacuum systems
- Vacuum-assisted casting and molding
High-Vacuum Metallurgy
Standard pumps are made from high-strength cast iron. For corrosive vacuum environments, we offer full stainless steel 316 construction and specialized chemical-resistant seals.

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