[4] On 2 August 1986, Christopher participated in the 2nd Asia-Pacific Pop Music Composition Contest, which was simulcast by four channels.

But 3 years later, due to a break with the manager company, he moved to Toronto, Canada to start a business from 1994 to 2001, and engaged in interior design work.

They hosted the "Double Star Love Song Concert" in the Foshan Lingnan Pearl Gymnasium on 31 December 2007 along with Tai Zhengxiao.

He participated in the "Jinggewang Music Tour" in Jiangmen, Guangdong on 18 January 2008, and in May he released the album "Travel Love" in Canada, which he auctioned off to benefit charity.

From 17 to 18 September 2010, "Huang Kaiqin's Good Concert" took place at the Hong Kong International Exhibition and Trade Center.