AGENT CERTIFICATION Certified supplier of Chemicals products by PIA Engineering Posted on 28 March, 202315 November, 2023 by HanvietCompany 28 Mar Han Viet Technical and Trading Services Co., Ltd. is certified as a supplier of Chemiacals products from PIA Engineering. APPROVAL-HANVIET-PIA-GROUP HanvietCompany Supplier approval certificate for VAECO Quality management certification for Han Viet Company