Tu Sheng Chen, Yong Chen, Kai Cheong Law, Yi Luo, Xue Qiong Tan, Chee Tang, Fook Choi Ching, Xi Qian Li, Jie Luo, De Quan Yang, Kinboon Yong and Yuen Kuan Chong have pleaded not guilty to importing a commercial quantity of a border controlled drug.