Is it right? i wonder if i was wrong with this sentence "Supporting the foreign teachers on teaching English", can you fix for me?

My working experiencen • From December 2015 to August 2016: Working as a tutor in Touch The World – A non-profit project in Training-Education and Community Development.  Responsibility: Supporting the foreign teachers on teaching English.  Through this part time job, I have learnt how to organize an English class and come up with creative teaching ways to help my students getting the motivation to learn English. • From November 2014 to November 2015: Event team leader at Marketing Club  Responsibility: Holding events of the Club  Through this position, i improved my communication skill, learnt how to manage a group of people and inspired them to work more efficiency.

Is the grammar in this paragraph correct? please fix it for me. this morning, the closing ceremony of the 2nd quarter 2016 of Tuan 123 Ltd was held successful and spectacular in Muong Thanh Luxury Vientiane. We would like very much to congratulate Tuan 123 Ltd for your achievements and thank for choosing us to hold this special event.

Is this sentence correct? Is the sentence "the closing ceremony for the end of the 2nd quarter 2016 of Tuan 123 Ltd " is correct? i think it's too redundant but i don't know how to fix it.

Can you help me to check this please? thank you very much! 5. Creadit are not permitted to transfer to other persons. 6. Owner/Member/Company director take legal responsibility for the debts and other costs 7. The Hotel has the right to consider and cancel the credit to company at any time. 8. The condition of not filling enough information may slow down the approval or refuse provide credit.

Could you please help me to correct this paragraph? Thank you so much 1. We - the competent representative of the company, approved the undersigned and all representatives mentioned above to have a free hand to order and sign in any paper of goods and services which are suggested by Hotel. Hotel has the right to investigate any datasource that we think it's consistently. We agreed that: 2. We’ll pay all the debt in the bill and other documents within 30 days from the time we get them. 3. We agree that if any dept hasn’t paid within 30 days from the day we get them, it will be assumed as overdue debt and charged at the rate of 3%/month from the expiration date until that overdue dept is paid, but it can’t exceed 60 days. 4. In case that overdue debt passes to the attorney or an collection agency, we agree to pay the debt, overdue interest and other cost to those organizations

Help me fix this sentence please! Is the sentence: " Come on your boat and find your own treasure" right? I think the grammar have problem :((