步步高 这个牌子NB是有一定道理的

OPPO蓝光机是美国人搞的吧，和国内没啥关系
OPPO DIGITAL是美国人设计
OPPO Digital (Chinese: OPPO影音)[1] is an independently operated overseas division sharing the brand name OPPO with OPPO Electronics, both owned by Chinese company BBK Electronics.[2][3] Founded in 2004, it is based in Mountain View, California, United States.[4] OPPO Digital designs and markets audio and video equipment, including Blu-ray Disc players and personal audio products such as headphones and headphone amplifiers, mainly targeting markets in Mainland China, Hong Kong, Taiwan, Japan, USA, Europe, Australia and New Zealand.