On February 2, 2020, KLOC-0, Heilongjiang Province opened the "Longjiang Health Code". At present, the Longjiang Health Code has been fully popularized in all public places in the province.
After the update and upgrade, the function of inquiring and recording the pass between the province and the inter-city within the province has been added.
On WeChat, Alipay can check its health code, and green is the normal color.