I appreciate Chen Immigration Law Associates expertise and hard work in getting the approval of my I-140 petition in EB-1B category. It is incredible to get it done in just four days after filing without any RFE. It is really great work. Only five stars are not enough for their hard work. Chen Immigration Law Firm is experienced, excellent, and the best. If your case is accepted by Chen Immigration Law Firm rest be assured that you are in safe hands. Chen Immigration Law Firm know how to present your case in the best possible way. Surely I will recommend my friends and colleagues to use Chen Immigration Law Firm to get their Green card and O1 visas. Thank you very much for all your help.