Essence Method Refine Co.,
No. 477, Nanxiong S., Rd., Guanmiao District, Tainan City, 718, Republic of China Taiwan, Tainan City, Taiwan
Visit website- Accredited standards
- 10
- A2LA certificate
- 1
- Site in our directory
- 1
What this lab is accredited for
Our reading of the A2LA scope: each standard once, with its official name where we have checked it.
Only this lab. Searches the 10 standard numbers and the 9 official names we hold. When no standard matches, it searches the method text of every scope line.
ASTM E8Standard Test Methods for Tension Testing of Metallic Materials
ASTM E384Standard Test Method for Microindentation Hardness of Materials
ASTM F606Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets
ASTM F788Exclusion
Limits written next to it
Surface Discontinuity ASTM F788/F788M (excluding 6.5.1.4 and Thread Lap)
ISO 898-1Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread
ISO 2702Fasteners - Heat treated tapping screws - Mechanical and physical properties
ISO 6507-1Metallic materials - Vickers hardness test - Part 1: Test method
ISO 7085Mechanical and performance requirements of case hardened and tempered metric thread rolling screws
ISO 10666Drilling screws with tapping screw thread - Mechanical and functional properties
ISO 18203Steel - Determination of the thickness of surface-hardened layers
ISO 898-1; ASTM F606/F606M; ASTM E8/E8M; SAE J78; SAE J933; SAE J1237; ISO 10666; ISO 2702; ISO 7085 (1999); FIP 1000; ASTM E384; ISO 6507-1; SAE J423; ISO 18203; ASTM F788/F788M
Read from the A2LA scope document we downloaded on 2026-03-14. Register refreshed 2026-11-06.
Scope as published by A2LA
2 lines
ISO/IEC 17025
Active5539.01
The scope document we hold says it is valid until 2027-11-30.
Accredited scope, certificate 5539.01
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | ISO 898-1; ASTM F606/F606M; ASTM E8/E8M; SAE J78; SAE J933; SAE J1237; ISO 10666; ISO 2702; ISO 7085 (1999); FIP 1000; ASTM E384; ISO 6507-1; SAE J423; ISO 18203; ASTM F788/F788M | metals and alloy products | - |
| 2 | Extracted from the scope document; tables may not line up. View scope for the original. For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation.
Accredited Laboratory
A2LA has accredited
ESSENCE METHOD REFINE CO., LTD.
Tainan City, TAIWAN (R.O.C.)
for technical competence in the field of
Mechanical Testing
This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017
General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates
technical competence for a defined scope and the operation of a laboratory quality management system
(refer to joint ISO-ILAC-IAF Communiqué dated April 2017).
Presented this 20th day of October 2025.
_______________________
Mr. Trace McInturff, Vice President, Accreditation Services
For the Accreditation Council
Certificate Number 5539.01
Valid to November 30, 2027 | ||
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
Accreditation data refreshed from the A2LA register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the A2LA entry linked above.