Question 1

Can the unit run continuously in production?

Accepted Answer

The series is designed for continuous industrial duty, with intercooling and after-cooling to keep discharge temperature under control. Recommended duty conditions and maintenance intervals are given in the manual supplied with the selected model.

Question 2

What trade terms do you support, and how are shipping and customs clearance handled?

Accepted Answer

We work with FOB (default ports: Shanghai / Ningbo / Shenzhen), CIF to your nominated port, and EXW. Sea, air and express shipments can be arranged, and each unit is packed in an export wooden case suitable for long-distance sea freight; moisture-proof vacuum inner packing and anti-rust treatment are recommended for multi-transshipment routes. Full customs documents are provided: commercial invoice, packing list, bill of lading, user manual and safety documentation.

Question 3

What is the delivery time?

Accepted Answer

For standard models, 7-15 working days when in stock, and 20-30 working days when production scheduling is required. Customized or OEM orders generally take 30-45 working days. The exact lead time is confirmed with you before the contract is signed.

Question 4

What is the minimum order quantity? Can I order one unit for testing?

Accepted Answer

MOQ varies by model and specification. Trial orders of 1-2 units are accepted so you can verify performance under your own working conditions before moving to volume purchasing or agency cooperation.

Question 5

What outlet pressures are available?

Accepted Answer

The oil-free booster range covers 25, 30, 35 and 40 bar classes (2.5-4.0 MPa). Selection depends on your required outlet pressure, gas medium and consumption; please send these parameters and we confirm the matching model.

Question 6

Why are prices not shown? How do I get a quotation?

Accepted Answer

High-pressure gas compression equipment is mostly configured to order. Price depends on pressure level, displacement, medium, cooling and drive method, voltage and frequency, material and certification requirements, so the same model can vary significantly by configuration. Please send complete selection parameters, or use the requirement form on our website, and we will quote once the specification is confirmed.

Question 7

What payment methods are accepted?

Accepted Answer

T/T (commonly 30% advance, balance before shipment or against copy of B/L), L/C at sight, and other methods negotiable for large orders. Payment can also be protected through the Made-in-China platform. Final terms depend on order value and cooperation conditions.

Question 8

How is after-sales service guaranteed, and how quickly are spare parts delivered?

Accepted Answer

The complete unit carries a 1-year warranty. We supply Chinese and English operation manuals and video tutorials, plus remote video guidance for installation and commissioning. Key wear parts such as filters, piston rings and seals are kept in long-term stock for quick dispatch, and urgent enquiries are answered within 24 hours.

Question 9

What routine maintenance is required, and how often should oil and filter elements be changed?

Accepted Answer

Routine maintenance covers inspection and periodic renewal of the intake filter, compressor oil and filter elements. Recommended oil change intervals are 1,000-2,000 hours depending on model and duty cycle. Refer to the manual supplied with your unit for the exact schedule and oil grade.

Question 10

How do I troubleshoot low air delivery, high discharge temperature or abnormal oil consumption?

Accepted Answer

Low delivery is usually caused by a blocked intake filter, valve leakage or a damaged valve plate, worn piston rings, line or joint leakage, or insufficient speed from low voltage or frequency. High discharge temperature usually points to a dirty cooler, insufficient or over-warm cooling water, high ambient temperature, or valve leakage causing backflow. Abnormal oil consumption is typically worn piston or scraper rings, or an over-high oil level.

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