QUESTION: Fix punctuation: The featured China GuangDong 3x3 watts 12 watt manufacturers and listed here are sourced by the karnar lighting
ANS: The featured China GuangDong 3x3 watts 12 watt manufacturers and listed here are sourced by the karnar lighting.

QUESTION: Fix punctuation: If you dont receive your serial number
ANS: If you don't receive your serial number

QUESTION: Fix punctuation: Buggy 24 November 2015
ANS: Buggy , 24 November 2015

QUESTION: Fix punctuation: On Saturday it will be mostly cloudy for a while The evening will bring mostly clear weather
ANS:
On Saturday it will be mostly cloudy for a while. The evening will bring mostly clear weather.