Shiyao's Introduction
Shanghai Shiyao Import and Export Trade Co, Ltd is a professional oxygen concentrators expert all over the world. It provides oxygen concentrators for more than 5 million customers. Oxygen concentrators cover more than 10,000 types and accept OEM and customization. Welcome to send us inquiry.

Advantages
-Mutiple platform purchase plans:
We support alternative shopping options from other platforms with more than 1,000 online stores on Amazon,Ali express, Ebay, Lazada,Wish, Shopify. etc.
-Full payment method acceptable such as Paypal, Western Union, Bank-transfer, Alibaba Trade-assurance, Ali-pay etc. At present, many of our products has passed CE ROHS ISO SGS and some other testing certificates, reaching the industry-leading professional level. With many years' experience in oxygen concentrators industry, we are confident to offer the right things to customers.
Our commitment to high quality, prompt response and timely delivery has enjoyed great customer satisfaction and maintained good and stable relationship with customers.

Guarantee -100% CE ROHS ISO certified products with 1 year quality warranty -Professional online- service (7*24 hrs) with technical support. -65% areas and countries all over the world are supporting the shipment from our overseas warehouses directly (save your time and shipping cost). -100% best price guarantee for most of models. -90% delivery time can be within 2-7 days. -Accept OEM service -Mix models in 1 or 2pcs is acceptable
 

Q. how can we guarantee quality?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment;
One year from date of purchase and lifetime after -sale service support
( If any quality issue within one year, we can replace new one free of charge).
Q. what services can we provide?
A: Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,MoneyGram,PayPal,Western Union,Cash,Escrow; Language Spoken:English,Chinese.
Q.Are you a factory or a trading company ?
A: We are a factory based in China with more than 10 years professional experience in this line of business.
We can provide first-hand price and competitive service.
Q:How does your factory do quality control ? 
A: We have strict in line QA ans final QA, all the products 100% double checking before shipping.
Q:How can I place an order ?
A: You can contact our online sales or send inquiry to our email, Please kindly send us more details requirements as more clear as possible. So that we can send you the offer in the first time.
Q: Can we own our Logo or customize our products ?
A: Yes, OEM and ODM orders are warmly welcomed, We have very experienced R&D engineers and strong ability to do professional guidance.