Q: Are you a trading company or a manufacturer?

A: We are a manufacturing company for Reverse Osmosis membranes for residential, commercial, and industrial since 2008. With our OWN auto rolling line and OWN RO flat sheet assembling line, we have been able to supply HID reverse osmosis membranes to many business partners around the world and also offer both ODM and OEM services. 

Q: How to get free samples?

A: Yes, we always provide free samples for residential RO membranes 50GPD & 75GPD you will be only requested to pay shipping costs. If you want to get other models for sample, we offer a special discount depending on the model requested. For more, information about free samples, please contact our marketing team here.

Q: Where is your factory? How can I visit?

A: HID membranes LTD is located in Zhenjiang city, in Jiangsu Province. We are on the West of Shanghai, 1hr 30 mins by express bullet train available every 30 minutes. We also accept online conference calls and live video tours to accommodate those customers who can’t visit our factory or our offices due to covid restrictions. If you are interested in visiting or up for a live tour, please click here to contact our team.

Q: Do you offer OEM and ODM services ?

A: Yes, we offer OEM and ODM services. Normally, we assemble and export products under our brand name HID. However, due to different types of RO systems and the differences in designs, we allow our clients to customize their products according to product design or any other requests like, for example, color, labels, packaging, etc. If you are interested to learn more about ODM and OEM service, please contact our team or click here.

Q: Can I get some samples? Can I place small order before bulk purchase?

A: We're glad to provide free sample, trial order welcome for first time, please kindly contact us.

Q: How can I place order? How can I pay you?

A: You can contact us by email about your order details, or place order on line. After you confirm our PI, we will request you to pay. T/T (Citibank) and Paypal, Western Union are the most usual ways we are using.

Q: How long is your delivery time?

A: Generally it is 3-5 days if the goods are in stock. Or it is 7-15 days if goods are not in stock, it is according to quantity.



For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.
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