I order a tuna ball, the tuna size is good, but inside the bowl vegetable and rice amount is too little.

Certainly they probably do a good job, but if they are not interested in your business, they hang up on you. Very unprofessional, bad attitude. I would recommend you give them a try, but the office side of this firm could use some polishing up. To their credit, at least they answered the phone unlike 8 out of 10 landscaping companies these days.