Very good.

1. Guanhe Jitong is a trademark brand of Shandong Guanhe Biotechnology Co., Ltd., the application date is May 18, 2020, Shandong Guanhe Biotechnology Co., Ltd. was established on May 13, 2020 , registered in Yihe Road, Economic Development Zone, Linyi City, Shandong Province, with guaranteed after-sales service.

2. The company is a formal company protected by official website certification laws and is trustworthy.