Beijing, May 29 (VNA) - Drug control authorities from China and the Philippines have bust a large-scale drug trafficking ring, seizing 604 kilograms of crystal meth in the Philippine city of Valenzuela, China's National Narcotics Control Commission (NNCC) said on May 28.

According to the NNCC, the ring was uncovered as an outcome of investigations after police in southeast China's Fujian province and anti-drug forces of Xiamen city arrested 12 suspects involved in cross-border drug trafficking in a raid on May 12.

The suspects told the police that they had hidden the drugs in cylindrical roller printers that had already been cleared by Philippine customs.

Philippine law enforcement seized the drugs the next day after being notified by their Chinese counterparts. A Philippine suspect was arrested.

A spokesman with the NNCC said the case marked a major victory in law enforcement cooperation between China and the Philippines since drug control authorities from both sides signed a cooperation agreement, and showcased the two countries' determination in combating drug-related crimes.-VNA