The Chinese envoy says the agreement would ease the way for Bangladeshi exports and reduce the trade deficit between the countries
They were detained over the last 24 hours in raids across the capital, said Dhaka Metropolitan Police Deputy Commissioner Md Masudur Rahman.
The police recovered 1700 yaba pills, 845 small packs of heroin, and some quantity of marijuana from them.
Thirty-nine cases have been filed against the detainees under the Narcotics Control Act with police stations, said Masudur Rahman.