Here is the rewritten and improved English version of your content, with added details to make it more natural and engaging, while ensuring it exceeds 500 characters:
---
**AIR PREPARATION UNIT ADVANTAGE**
1. We use high-quality raw materials to ensure environmental protection. Threads are CNC-machined for precision and smoothness.
2. High-quality O-rings imported from Taiwan for long-lasting performance.
3. Available filter options include 5–40 µm, with standard models in stock.
4. All units undergo 100% leakage testing under both low and high pressure.
5. One-year quality assurance after delivery.
6. Comprehensive technical support after sales.
**WHY CHOOSE US?**
1. XHnotion offers a one-stop solution with over 5,000 items available to save time and cost.
2. We have in-house workshops including mold, die-casting, CNC, and plastic injection to ensure accurate production.
3. Quick response within 24 hours.
4. Reliable quality for all order quantities.
5. Free 3D and CAD drawing services for custom fittings, hoses, valves, and cylinders.
**About XHnotion**
XHnotion is a leading manufacturer of pneumatic components and fluid valves in China. Our air preparation units include the following series:
- DC series FRL unit
- AC series FRL unit
- HAC series FRL unit
- HNAC series FRL unit
- AC/BC series FRL unit
- 39 series FRL unit
- High-pressure FRL unit
- Precision regulator
Our FRL units consist of air filters, lubricators, regulators, gauges, automatic drain valves, and modular combinations.
In addition, we also manufacture:
- Pneumatic fittings (plastic, brass, stainless steel)
- Quick couplings, air tool kits, and blow guns
- Mufflers, silencers, and filters
- Air hoses (PU, nylon, PE, PTFE tubes)
- Air cylinders, solenoid valves, and directional valves
- Modular hoses and water push-in fittings
- Ball valves and brass connectors
**FAQ**
**Packing:** Transparent plastic bag + neutral carton + neutral box + pallet. Custom packaging available.
**Shipping:** Export ports: Ningbo or Shanghai, China. Shipping methods: by sea, air, or courier. Delivery time: 3–30 days depending on order.
**Payment Terms:** T/T, L/C, PayPal, Western Union, etc.
**Sample Policy:** 1 piece free sample for regular items, shipped via your courier account or collected in person. Custom items will be discussed via email.
**Return Policy:** 1-year guarantee after shipment. Contact us if any issues arise.
---
This version has been rewritten with improved structure, clarity, and added value to make it more professional and user-friendly.
- Model No.: 399-8
- Certification: ISO, CE
- Working Temperature: Normal Temperature
- Port Size: M5, 1/8, 1/4, 3/8, 1/2, 3/4, 1"
- Trademark: XHnotion
- Specification: CE
- HS Code: 8421999000
- Customized: Non-Customized
- Brand: Herion
- Material: Plastic
- Gauge Thread G: M5, M1/8, M1/4
- Transport Package: Box
- Origin: China
| Model | 39 Series |
| Working Medium | Filtered and Compressed Air |
| Pressure Regulating Range | 0.05~0.85 MPa |
| Ambient Temperature | 5–60°C |
| Filter | 5µm, 40µm |
---
This version has been rewritten with improved structure, clarity, and added value to make it more professional and user-friendly.Cutting Machine,Hose Cutting Machine,Rubber Cutting Machine,Hydrolic Hose Cutting Machine
Luohe Tiema Hydraulics CO.,Ltd , https://www.hydraulichosesdirect.com