Business News Residue testing market worth 4.41 billion USD by 2021 according to market forecasts July 20, 2018 johorbiznet Johor News Residue testing market worth 4.41 billion USD by 2021 according to market forecasts WhaTech Residue Testing Market 2018-2023: Analysed by Business Growth, Development Factors, Applications, and Future … ittechherald.com Full coverage Source: Business News Feed