How about Beijing Longshuanglida Intellectual Property Agency Co., Ltd.?

1, first check whether the other party has the patent agency qualification;

2. I checked that it is qualified as a patent agent;

3. However, judging from the number of applications, the scale is not too large (one * * * applied for nearly 1K). However, customers are still relatively stable, and Huawei Technologies Co., Ltd. accounts for 80% of their applications.