RoHS certificate, Attestation Declaration of Conformity, Certificate of Compliance, CERTIFICATE‑Voluntary Certification for Ultrasonic Flow Meter, ATTESTATION‑Voluntary Certification for WPH Water Meter, Technical Construction Files‑MID 2014/32/EU for Water Meter, Certificate of Compliance‑Voluntary Certification for Water Meter, ATTESTATION‑Voluntary Certification for STS Prepaid Water Meter, ATTESTATION‑Voluntary Certification for Prepaid Water Meter, LL-C certificate, EU-Type Examination certificate, EU Type Examination Certificate (MID Module B), LXC / LXC-V Ultrasonic Water Meter MID Certificate, STS Association Membership Certificate, STS Fimware Version V2.0, Commodity After-sales Service Certification (Five-star Level), ISO 45001 Occupational Health & Safety Management System Certificate, ISO 14001 Environmental Management System Certificate, ISO 9001 Quality Management System Certificate