Our office and will be take a holiday for the International May Day from Apr 28^th to May 2^nd, 2017.three days .

Any inquiries sent via email during the holiday period will be processed by our on-duty engineers, Please kindly be informed that it may take longer than usual for us to get back to you. We apologize for any inconvenience this may cause you, and appreciate your kind understanding.

We wish you have a best time in the May Day holiday.