Sundarban Courier Service Limited

Sundarban Courier Service (Pvt.) Ltd. is a major courier and logistics firm in Bangladesh, providing a comprehensive range of services: document delivery (1-200 g envelopes), non-document/gift item parcels (up to 3 kg), e-commerce logistics, corporate document & parcel contracts, international inbound/outbound delivery to ~220 countries.
They describe themselves as one of the pioneers of courier service in the country.