Contact INVINO® — Defoamer Selection & Sample Requests
Tell us your application and foam problem. Request help with grade selection, sample evaluation or a quotation. Sample and delivery arrangements are confirmed for your selected grade and destination.
Sales & Technical Support
Direct line for technical consultation and bulk logistics.
Email Inquiry
Send your application, product questions or quotation request.
WhatsApp / WeChat
Share your process details and discuss the next step with our team.
Business Hours
Mon – Fri: 9:00 – 18:00 (GMT+8)
Inquiries are reviewed during business hours; response timing depends on the request.
Headquarters — Nanjing
2nd Floor, 3rd Building, No.18 Jialingjiang East Street, Jianye District, Nanjing, China.
Factory — Huai'an
Xinhai Avenue, Xuyi Economic Development Zone, Huai'an, Jiangsu, China.
Sample Evaluation & Technical Support
Request a sample for evaluation. Availability, quantity, any sample or courier costs, and expected timing are confirmed for the selected grade and destination.
Discuss testing before sending process liquid. Our team will review the application and confirm test scope, sample handling, any costs and timing before arrangements are made.
Packaging and minimum order quantity are confirmed with the grade recommendation and quotation.
Send Your Inquiry
Start with your application and the foam problem you want to solve. Add your current product, temperature or pH if known. You do not need a complete process report for the first discussion.