Hi,
Parcel No.RS169285702CN tracking result :

2016-08-08 17:19:12.0 中山city Post Office parcel 集邮局commerical parcel 广告公司 received
2016-08-08 19:03:09.0 中山city Post Office parcel 集邮局commerical parcel 广告公司 customs scan
2016-08-08 20:54:47.0 leaving 中山city Post Office parcel 集邮局commerical parcel 广告公司 ，next station 中山
2016-08-09 09:32:23.0 Guangzhou Transit Station export security scan
2016-08-09 10:07:33.0 Guangzhou Transit Station export customs cleared

Although shipping delivery to Canada is 10-60 days: http://track-chinapost.com/China_Post_Arrival_Time_Stat.php it's been two weeks without update. As the last tracking update seems to get stuck at export customs is possible this might be the reason ? : http://track-chinapost.com/?p=650 If not, you can ask the seller so she/he call China post to check on current status of your parcel.

Tracking status of the second item:
http://www.track-chinapost.com/track.php?code=YLCMY11222464

This parcel arrived to Canada on Aug 15.

YLCMY11222464

In Transit

Malaysia
(Pos Malaysia)

Canada

Latest Event -- 2016-08-16 10:15 Canada, Item Arrived at Canada

Destination Country

Origin Country - Tracking Consuming: 403 ms
2016-08-16 10:15

Canada, Item Arrived at Canada
2016-08-15 11:57

MPC PMIH (KLIA), Item Sent to CANADA
2016-08-15 11:19

MPC PMIH (KLIA), Item Posted Over The Counter to Canada
2016-08-10 18:47

MPC PMIH (KLIA), Dispatch PreAlert to Canada