2021年4月11日，商开栋师承刘江、沙曼翁等篆刻大家，以秦风汉韵为宗，形成古拙浑穆、大朴若愚的“商氏印风”，中国篆刻家名录在列，被中央电视台书画频道专题采访，广受赞誉。

临沂市总工会原主席黄忠和临沂市书协原驻会副秘书长兼办公室主任姜为民担任特邀见证人。临沂日报报业集团文学编辑、作家、图书策划出版人张斌；介绍人黄晓峰；好友宋鹏、王立柱、孙潆；文化名人网主编萧锋；摄影家刘笃龙；学生任炳宇、伊玉才等社会各界知名人士及亲属十数人齐聚一堂，为此隆重而又庄严的时刻共同见证。

见证人黄忠和特邀嘉宾代表张斌先生分别发表了感人的讲话，师生互赠礼品，并交换帖约。篆刻家商开栋宣读收徒贴，并向新弟子刘志勇赠予了宝贵的学术作品。在这充满活力的气氛中，随着时间的推移，每个人都感受到了艺术创造力的无限可能。

资深篆刻家与学者们纷纷致以祝福，这不仅是对刘志勇个人的肯定，更是对未来传承艺术遗产的一种期待。在这个特殊的日子里，每一次挥笔落墨，都 seemed to carry the weight of history and tradition, as if the past was alive in the present.

The ceremony was a grand affair, with dignitaries and guests from all walks of life gathered to witness this momentous occasion. The atmosphere was filled with excitement and anticipation, as everyone eagerly awaited the unveiling of the new apprentice's first creations.

As the day drew to a close, commercial artist Liu Zhigang stood before his mentor, Commercial Artist Chen Kaiyuan, his heart pounding with excitement. With trembling hands he accepted the gift of an ancient scroll from his master's own collection - a symbol of their bond and a reminder of the rich cultural heritage they were about to embark on together.

And so began Liu Zhigang's journey into the world of traditional Chinese art. A journey that would take him through centuries-old techniques and philosophies; one that would challenge him physically and mentally; but most importantly one that would allow him to tap into his own creative potential - for it is through art that we truly come alive.

In this way, just like generations before them had done so too many times over throughout history - these two artists embarked upon their own path towards artistic enlightenment. And though they knew not what lay ahead nor how long their journey might last - they pressed forward nonetheless: each step taken in faith; each brush stroke painted with conviction; each line drawn with passion; every word penned with purpose. For it is through such dedication and perseverance alone can true mastery be achieved in any field or discipline known unto man.