sentence: geographic range found in china ( guangdong and yunnan ) , myanmar , the andaman and nicobar islands , vietnam , laos , cambodia , thailand , west malaysia , penang island , singapore island , east malaysia ( sarawak ) , indonesia ( the riau archipelago , bangka , billiton , sumatra , we , simalur , nias , the mentawai islands siberut , borneo , java and sulawesi ) and the philippines ( balabac , bongao , jolo and palawan ) .