Dear，
Long time no contact, hope this email finds you well.

I suggested that you got to know our factory main product well by my last email, and i know that you are in the market for solar/ups/security/electric bike.
May i know do you have any inquire recently? or not also let me know, i can send you our product catalogue for your reference for meeting your future requirement.

I remain avaiable to discuss further on whatsapp/wechat:+86 18003715510

Best Regards!