Q: Do you have Catalogue?

A: Yes, you can send your inquiry to our email: winni@hzgrow.com,we will send it to you ASAP.

Q: How can i reach to you ?

A: You can leave your inquiry here or add me by Skype:+8615068542301 or Wechat: 15068542301 or E-mail address: winni@hzgrow.com

Q: Can I buy from this website directly?

A: Yes. You can add items to your shopping cart and buy it. The default shipping method is FedEx. After submit order pls contact us first, after we confirm the order you can payment for it. If need purchase offline,pls contact winni@hzgrow.com

Q: Do you have other online shop which we can purchase samples directly?

A: Yes, we have two shop on Aliexpress and one shop on Alibaba. Here is the website: https://hzgrow.aliexpress.com  or https://growtech.aliexpress.com  or https://hzgrow.en.alibaba.com

Q: Are you a manufacturer or a trading company?

A: We are a manufacturer which located in Hangzhou.

Q: Do you have any certificate ?

A: Yes,we do. We have CE(EMC) Certificate for fingerprint module and barcode scanner.