Peb zoo siab heev uas muaj lub sijhawm los qhia rau koj paub txog peb keeb kwm me ntsis, Primewerks (Xiamen) Industry and Trade Co., Ltd. Singaporean tuam txhab nrhiav tau nyob rau hauv 2005. Txij thaum ntawd los, peb tau ua ib lub chaw tsim khoom ntawm wrought Hlau stair qhov chaw.