Is Suihua Concrete Zhang Yan Mr. Heihei?

No. According to Tik Tok's information, Mr. Hei Hei is a post-90s young man named Wang Du from Zunyi City, Guizhou Province. So it's not suihua concrete zhangyan. Suihua Hongyan Concrete Co., Ltd., founded on 20 18, is located in Suihua City, Heilongjiang Province. Is an enterprise specializing in nonmetallic mineral products industry, and its legal representative is zhangyan.