Quality Control

Quality Checks Throughout Production

Applicable checks support production control and evaluation against product specifications and customer requirements.

Quality-control equipment including Izod, melt flow index, and XRF testing equipment

In-House Inspection EquipmentIzod · MI · XRF

Certifications

Verified Standards

Verified certification credentials for recycled material operations and quality management.

GRSRCS

GRS / RCS Scope Certificate

Global Recycled Standard (GRS) Version 4.0

Recycled Claim Standard (RCS) Version 2.0

Scope Certificate: IDF-26-1081097
TE-ID: TE-00351955
Issue Date: October 1, 2026
Valid Until: September 30, 2027
Certification Body: TAIWAN IDFL LABORATORY AND INSTITUTE LIMITED

Certification of specific delivered goods is subject to a valid Transaction Certificate (TC) or equivalent covering the goods.

Explore GRS / RCS recycled material supply

Sheen Year Plastic GRS and RCS Scope Certificate IDF-26-1081097

View Scope Certificate

ISO 9001:2015

Quality Management System

Certificate: TWN/QMS/00664/8988
Scope: Manufacturing, Processing and Sales of Plastic Pellet
Date of Approval: April 20, 2025
Original Certification Date: April 20, 2022
Valid Until: April 19, 2028

Sheen Year Plastic ISO 9001:2015 certificate TWN/QMS/00664/8988

View ISO 9001 certificate

Production Process

Three-Stage Quality Review

The applicable checks are selected according to the product, production stage, and mutually agreed requirements.

01
Before Mass Production
Requirements and agreed specifications are reviewed to define the applicable quality checks.
02
During Production
Applicable production-stage checks support process monitoring and material evaluation.
03
After Production
Applicable inspection results are reviewed against the agreed requirements before commercial supply.

QC Equipment

In-House Inspection Equipment

Equipment is used according to applicable product specifications and customer requirements.

Izod Impact Tester

Used for checks related to impact performance according to product requirements.

Melt Flow Index Tester

Used to check melt flow characteristics according to product specifications and processing needs.

XRF Analyzer

Used for heavy-metal screening according to applicable product and customer requirements.

Controlled Claims

Requirements Defined for Each Supply

Actual test items, acceptance criteria, and report contents are subject to product specifications and mutually agreed requirements.

01Inspection requirements depend on the product grade and customer specification.
02Acceptance criteria are based on mutually agreed requirements.
03Test items and report contents may vary by product and order.
04Sample evaluation is recommended before commercial supply.

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