Holding a Master's degree in Law from Sun Yat-sen University, Attorney Lan has an extensive experience of cross-border legal projects in Indonesia. His in-depth knowledge of Indonesian business culture has translated well into understanding Indonesian regulatory challenges and thus providing Chinese clients valuable insight and come up with a solid strategy to successfully enter Indonesian market, which has been pivotal in Dacheng Law Offices receiving the prestigious "PRC Law Firm, Indonesia Practice of the Year" award from Asian Legal Business for the year 2023 and 2024. He has also delivered keynote presentations at prestigious legal conferences, including the 2023 Canton International Law Annual Conference, and published numerous insightful articles on WeChat.

Attorney Lan has built a solid reputation in Indonesian business and regulatory matters, leading a skilled team of Chinese lawyers in cooperation with trusted Indonesian lawyers. His team has successfully managed complex cases for a range of clients, including major Chinese state-owned enterprises, publicly traded companies, and prominent private firms. One of his notable achievements includes assisting Sailun Group Co., Ltd., a publicly listed Chinese company, with a high-profile investment in Indonesia. This endeavor involved the establishment of a large-scale tire manufacturing facility and acquiring over 220,000 m² of land, valued at more than USD 251 million. Attorney Lan played an instrumental role by providing on-the-ground legal support in coordination with his Indonesian legal partners, engaging in face-to-face negotiations with local stakeholders, guiding Sailun Group representative in overcoming local obstacles by providing his vast local insight of Indonesian business practice, bridging relevant Indonesian legal analysis made by his Indonesian partners to be easily understood by the client from a Chinese perspective,  and ensuring favorable outcomes for both parties on the basis of mutual benefit and good faith.

In addition to his legal practice, Attorney Lan spoke at the National Rubber Industry Information Conference, offering valuable insights to industry leaders on legal risks in Indonesian investments. Furthermore, at the 2023 Canton International Law Annual Conference, he presented on managing legal risks and migrations in Indonesian construction investments.

Embodying a growth-oriented approach, Attorney Lan remains dedicated to professional development and team education. Actively participating in international law seminars and organising in-house sessions on Indonesian regulatory challenges and practices, he stays at the forefront of industry trends, while regularly holding discussions with his Chinese team members and Indonesian partners on new policies in Indonesia and Chinese cross-border investment development, ensuring that both Chinese lawyers and Indonesian lawyer partners are up to par with the latest business trend of both parties thus guaranteeing a solid synergy between the lawyers of two great nations.