{"id":"zource-legacy:Sheet1:r0025760","slug":"cal-check-r0025760","name":"Cal Check","entityKind":"company","nativeName":null,"nativeLang":null,"aliases":[],"country":"United States","countryCode":"US","region":"global","wics":[],"wicsState":"unclassified","tier":0,"tierLabel":"unreviewed","completeness":0.71,"profileStatus":"qualified","indexEligible":true,"qualificationAnchors":["official_website"],"fieldState":{"description":"provided","website":"provided","headquartersCity":"not_provided","registryAnchors":"not_provided","tier":"provided","completeness":"provided"},"href":"/api/v1/companies/cal-check-r0025760","web":"/en/directory/cal-check-r0025760","hqCity":null,"founded":null,"website":"http://www.calcheck.com/","ownership":null,"parent":null,"registryIds":[],"wikidataQid":null,"description":{"en":"Supporters Of Opacity CEM Manufacturers, Users & Regulators. Audit Devices & Neutral Density Filters For Opacity CEM's. Also NIST Traceable Testing For All Opacity Test Filters. Replacement Filters & New Test Filters As Low As 3% Opacity. T","zh":"描述未提供。"},"certifications":[],"markets":[],"attributes":[{"key":"canonical_country","unit":"US","label":"United States","value":"Q14"}],"provenance":{},"sourceCoverage":[],"createdAt":null,"updatedAt":"2026-09-06T15:15:52.588Z","news":[]}