On July 1,2019, Changhong Granbo Technology Co., Ltd. reached a strategic cooperation with American Waterguru Company.Mr.Chen Zhenbing, general manager of Changhong Grand-Pro, successfully signed a contract with Tadmor Shalon, president of American Waterguru Company, at the signing ceremony.

After the signing ceremony, the main leaders of Waterguru Company and Changhong Grand-Pro Company jointly cut the ribbon for the "Waterguru & Changhong Grand-Pro Underwater Robot New Line Production Ceremony".