TNAG-1710-FCO40-2386-Royal-visits-from-the-UK-to-Hong-Kong-1987 — Page 113

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quantities. Clandestine laboratories (where opium is converted

into heroin) within the Golden Triangle were moving northwards

and nearer to the border of Yunnan Province.

17.

He then cited some seizure figures as follows :

1984

6.7 kilos of opium seized by

the Public Security Bureau

1985

24.4 kilos

1986

78.05 kilos of opium and 24.9 kilos

of heroin seized by the

Public Security Bureau

Chinese,

A specific case was cited of joint investigation between the

Thais and Americans (DEA) where 22 kilos of heroin

were seized. He praised the good internal cooperation between

the Public Security Bureau, China Customs and Ministry of

Public Health.

18.

A broad delineation of responsibilities was given

by Liu as follows :

(a)

Customs are responsible for controls at

sea ports and airports;