in the condition of high pressure from pump, when water through this RO, pure water and Mineral ions can be through,and the water waterborne contaminants were intercepted,such as most of the heavy metals,organics,bacteria, virus. (reverse osmosis membrane pore size 0.0001 microns, and the virus size 0.02-0.4 micron, common bacteria size 0.4-1 microns)
Vontron Technology CO.,Ltd. is specialized in R&D,manufacture and technical service of RO and NF membrane elements.Owning the core technology and capability for fabrication of membrane sheet, Vontron is the beggest professional manufacturer of compound RO membranes in China, and is the provider of system design and applied service with powerful technical support.
The company imported the full-process RO membrane producing line and technologies from the United States in 2001,Involved in various fields of compound RO membranes production.
The company has been undertaking a number of state-leval and province/ministry level projects, including National 863 Program,National Torch Program and National New Product Program,etc. The company applied for 11 state-level patents in 2001,including compound oxidation resistant RO membrane,laser thermal-melting equipment,etc.
Vontron has accomplished developing various specifications of compound RO membranes covering 9 series and more than 50 models. All product series about the state-of-the-art fouling-resistant technology,and reach the international advanced level in quality. Certified to NSF Standard, VONTRON(TM) membranes have been broadly applied to most area of the world.
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
|Location||*Estimated Shipping Time|
|United States||10-20 Business days|
|Canada, Europe||10-20 Business days|
|Australia, New Zealand||10-30 Business days|
|Central & South America||15-30 Business days|
Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.
If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.