Contact Us

Customer Support:

• Email: cosengineeringpl@gmail.com, For general inquiries, order support, and product assistance.
• Phone: +880 1790-021177, Available Saturday to Thursday, 9 AM - 5 PM (GMT+3).

Sales Inquiries:

• Email: cosengineeringpl@gmail.com, For questions about bulk orders, product quotes, and special pricing.

Technical Support:

• Email: cosengineeringpl@gmail.com, For technical assistance and troubleshooting with our products.

Mailing Address:

Cos Engineering Private Limited, Sultan Koloni, Golam Mohammed 3rd Floore, 1st Lane, Sheikh Mujib Road, Chottogram, Bangladesh. ZIP/Postal Code: 4224

Business Hours:

Saturday to Thursday: 9 AM - 5 PM (GMT+3) Friday: Closed (Open to WhatsApp)

Social Media:

• LinkedIn: 
• Facebook (Click the Blue Facebook)
• Twitter: