A 您可以通过网站底部的“Contact Us”表格提交需求，或者直接发送邮件至我们的官方邮箱 ，我们的专业团队会在 24 小时内回复您。
You can reach us through the "Contact Us" form on our website or email us directly at sherrishi@teejoin.com. Our technical sales team will respond within 24 hours.

A Every production batch undergoes strict QC inspection, and retain samples are kept for traceability. If a quality issue arises, we provide a full investigation and replacement/credit as per our quality agreement.