nha cai xoso66 phat trien nen tang theo huong toi uu trai nghiem, tu toc do tai trang den quy trinh tham gia du thuong don gian. Cac chuong trinh uu dai va qua tang dinh ky giup nguoi choi co them nhieu co hoi gia tang loi nhuan.

Also, I want to learn more knowledge behind the movement and manipulating techniques when link working on it, especially the escapement, balance link and hairspring, the most delicate part which I was always afraid link to deal with them.