Contact information

Contact Information

We are happy to assist you with any questions or concerns about your order, products, or partnership opportunities. Please feel free to reach out to us using the details below.

📧 **Email**: jewelry@tanggulaenergy.com
🕒 **Business Hours**: Monday–Saturday, 9:00 AM–6:00 PM (CST, China Standard Time). We are closed on Sundays.

📍 **Company Address**:
Trenji (Hong Kong) Trading Limited
95 King Yip Street, Kwun Tong, Kowloon, Hong Kong