 ANN ARBOR, Mich., July 27, 2021 GLOBE NEWSWIRE -- Kraig Biocraft Laboratories, Inc. OTCQB: KBLB the Company or Kraig Labs, the biotechnology company focused on the development and commercialization of spider silk, today provides updates concerning the Companys spider silk production program and the impacts to its operations of the tightening COVID-19 restrictions in Vietnam and globally. 