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119/81 Nguyen Trai street, Ngo Quyen district, Hai Phong city, Vietnam
Our address
info@3mgas.vn
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Technical
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Operating procedure
Hold a certificate of conformity for the installation of gas-supply pipes in a building. Inspection of component seals on the tank by the delivery driver.
Visual inspection of installation sealing.
Functional inspection of the entire installation by the installer.
