Mary Ma

2 old videos with fewer than 5,000 views from this channel.

Channel on YouTube

• Oldest
• Fewest views
• Random

• 1:13 Stainless steel universal pulverizer

  Mary Ma

  397 views · 5 June 2014

• 12:46 complete operational process video of hairband kniting machine

  Mary Ma

  836 views · 29 December 2018