请问这段英文,我这样写有什么语法错误吗SinceourcorporationsignedacontractwithJackieChanlastyear,thereisagreatimprovementofourbranchawarenessathomeandabroad.Nowadays,ourtoyswillbeexportedinbulktoAmericaev

Question

请问这段英文,我这样写有什么语法错误吗
Since our corporation signed a contract with Jackie Chan last year,there is a great improvement of our branch awareness at home and abroad.Nowadays,our toys will be exported in bulk to America every month.They are popularity among people,even some local retail stores have sold out already.In this year,there is a new marketing plan in our corporation,which is we are going to establish toy store online.That people who buying in groups will be given the rock-bottom price.It has quality guarantee because our products have to go through vigorous quality control before being served to customers.Rest assured if you do business with us.

Answer 1

第三句话,they are polularity amoug people,直接写they are popular就可以
这句话which is we are going to establish toy store online,不需要用从句,直接写we are going to establish toy store online,这里用which is是画蛇添足的
that people不对,应该是those people
It has quality guarantee改成the quality of our products is guaranteed because they have to...