Olive: Samples to test before bulk order is acceptable. Fact speaks louder than words, so you can test the machine and its performance by yourself. Or you can send inspection team to our factory to check your order status before shipment.

Olive: It’s warmly welcome. You can check our different models oxygen concentrators, and ask the questions on product details, and we can also show you our working office and production line.

Olive: Inquiry→ Recommendation → Offer → PI → Confirm PI → Arrange payment →Production → Shipment

Olive: 1. Payment terms: T/T, Alibaba or L/C. 2. Lead time: normally in 7-10 days after deposit received. 3. Shipping port: Shanghai / Beijing / Qingdao / Ningbo, China 4. Discounts: We offer discount for big quantity.

Olive: Yes, of course. Customized OEM printing is avaliable.

Olive: Voltage is 100~240 VAC for battery oxygen concentrator, while 220V or 110V for electric oxygen concentrators. Moreover, we can also provide customized oxygen concentrators like 220V 60Hz, 100V 60Hz etc. And plugs like EU, US and Australia plug etc, are all available. So we will choose the one which is suitable for your country.

Olive: We adopt multi layer noise design, and the sound level is less than 45db for 5 liter.

Olive: 2 years, or 5,000 hours for the electric oxygen concentrators, which comes earlier.

Olive: For 3L machine, the flow is 0-3L/min. And for 5L machine, the flow is 0-5L/min. For 8L machine, the flow is 0-8L/min. And for 10L machine, the flow is 0-10L/min. For 20L machine, the flow is 0-20L/min.

Olive: We use imported CECA molecular sieve from France for the electric oxygen concentrators, and the lifespan is more than 18,000 hours.