Questions, feedback, partnerships, or technical support
We welcome inquiries from engineers, students, researchers, and industry professionals. Whether you have a question about a specific calculator, want to suggest a new tool or topic, need technical support, or are interested in partnership opportunities — please reach out.
Email: cedar@innovchip.net
Phone/WhatsApp: +86 150 1018 9173
Location: Weifang, Shandong, China
We typically respond within 24-48 hours on business days. For urgent technical issues related to calculator accuracy or website access, please include [URGENT] in your subject line.
Interested in contributing content, integrating our calculators into your platform, or exploring white-label solutions? We are open to collaboration across the engineering education and professional tools space.