三潮受沁當
謹
董防
THE
假冒
now active in Hong Kong are young, former assistants or apprentices, and their inexperience was at first reflected in the number of unsaleable batches of heroin which they produced and a general decline in the standard of heroin available on the market in 1976. This resulted in a marked increase in the import of good quality heroin of Thai and Malaysian origin, probably
manufactured under the direction of Shanghai's 'old masters'.
A No. 4 heroin trademark (1965)
By 1960, a number of the 'original' chemists had been arrested and they had been replaced by their Chiu Chau apprentices. Although a few Shang- hainese chemists remained, ethnic Chiu Chaus dominated all aspects of the heroin trade until the early 1970s. In 1974, a combination of several huge narcotics seizures coupled with effec- tive enforcement action against these Chiu Chau syndicates weakened their financial standing. These events seri- ously affected the overall Chiu Chau domination and, with the proliferation of smaller syndicates, other ethnic groups were able to assume more prominence.
Today, heroin chemists of Chiu Chau
origin still operate in Hong Kong and occasionally Shanghainese chemists are found. However, the majority of the experienced chemists have either been arrested or have left for Thailand and Malaysia. Many of the chemists.
A No. 3 heroin trademark
6