AGENT CERTIFICATION Supplier approval certificate for Vietnam Singapore Technology Engineering Aerospace Co., Ltd Posted on 28 March, 202315 November, 2023 by HanvietCompany 28 Mar Han Viet Technical and Trading Services Co., Ltd. is a supplier to VSTEA of coating materials and chemicals. APPROVAL-HANVIET-VSTEA HanvietCompany Employment information Supplier approval certificate for Vietravel Airlines