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Long-form notes on the things that decide whether a shipment clears customs and reaches a shelf: approvals, documents, and the order in which they have to happen. Each page lists its primary sources at the bottom, because a rule you cannot point to is not a rule.

• Importing electrical appliances into Malaysia: the CoA, SIRIM testing and the ST-SIRIM label

  Malaysia does not issue a "SIRIM certificate" to your Chinese supplier. The binding approval is a Certificate of Approval (CoA) held by the Malaysian importer, and the label is applied after a consignment test at the port. Here is the order of operations, and the five places shipments stall.

  Malaysia · Updated 2026-10-17

• One appliance, four regulators: SNI, NPB, SKEM and Postel for Indonesia

  Indonesian importers lose containers because they treat SNI as one certificate. It is four obligations across four ministries: safety (SPPT-SNI + NPB), energy (SKEM/LTHE), radio (Postel), and — for products outside mandatory SNI — K3L. Here is the sequence and the traps.

  Indonesia · Updated 2026-10-17

• The CR mark in Vietnam: two technical regulations, one declaration, and who signs it

  Vietnam's mandatory mark is CR, but CR is the end of a chain: safety under QCVN 4, EMC under QCVN 9, certification by a designated body, then a conformity declaration the importer files with the provincial Department of Science and Technology. Here is the chain, and where it breaks.

  Vietnam · Updated 2026-10-17

These are working notes, not legal advice. Rules change — check with the authority before you ship.