Please check my grammar.

Please check my grammer. Thanks

Original

1. The President of MainStreet Enterprises, along with other executives of local companys are considering overseas' sales.
2. International business was all ready common among big companys however even small bussinesesses are now seeking global markets.
3. 3 different employees asked the Supervisor and I whether we should give gifts to our chinese business guests?
4. Gifts for the children of an arab are welcome however gifts for an arabs wife are not advisible.
5. In latin american knifes are not proper gifts, they signify cutting off an relationship.
6. When it opened it's one hundred and twenty million dollar plant in Beijing Motorola had to offer housing too attract qualety applicants.
7. On May 12th a article titled The chinese puzzle which appeared in the magazine Workforce Management described the difficulty of managing employees' world wide.
8. We invited seventy-five employees to bear the cross cultural talk that begins at four p.m..
9. The u.s. census bureau reports that 1/3 of the foreign born population of the united states are from: central america, the caribbean, and south america.
10. By 2,050 many groups now considered minorities African Americans, hispanics, asians, and native americans are projected to constitue forty-seven percent of the U.S. population.

My corrections

1. The president of Main Street Enterprises, along with other executives of local companies are considering overseas sales.
2. International business was already common among big companies, however even small businesses are now seeking global markets.
3. Three different employees asked the supervisor and I whether we should give gifts to our Chinese business guests?
4. Gifts for the children of an Arab are welcome, however gifts for an Arab's wife is not advisible.
5. In Latin American, knives are not proper gifts, they signify cutting off a relationship.
6. When it opened its' $120,000,000 plant in Beijing, Motorola had to offer housing to attract quality applicants.
7. On May 12th, an article entitled "The Chinese's puzzle", which appeared in the magazine "Workforce Management", described the difficulty of managing employees world wide.
8. We invited 75 employees to bear the cross cultural talk that begins at 4 p.m..
9. The U.S. census bureau reports that one-third of the foreign born population of the United States are from Central America, Caribbean and South America.
10. By 2050, many groups now considered minorities: African Americans, Hispanics, Asians and Native Americans are projected to constitue 47 percent of the U.S. population.

Much is appreciate it.