I think there's a few more important reasons beyond being closed off: - Regulatory friendliness (eg. DJI) - Non-enforcement of foreign patents (eg. LiFePO4 ba

I think there's a few more important reasons beyond being closed off: - Regulatory friendliness (eg. DJI) - Non-enforcement of foreign patents (eg. LiFePO4 batteries) - Technology transfer through partnerships with domestic firms - Government support for industries deemed to be in the national interest