Certified ISO 9001, 14001, 45001 Management Systems / Fully Comply with CNS National Standards

TDC has achieved the following certifications:

• ISO 9001:2015 Quality Management System Certification
• ISO 14001:2015 Environmental Management System Certification
• ISO 45001:2018 Occupational Health and Safety Management System Certification
• CNS 12835-2 Plastics piping systems for the supply of gaseous fuels – Polyethylene (PE) − Part 2: Pipes
• CNS 2456-2 Plastics piping systems for water supply and for drainage and sewerage under pressure − Polyethylene (PE) − Part 2: Pipes
• Green Mark (Gas, Water, Reclaimed Water, Sewage, and Electricity, Communication and Energy).

By building up advanced quality control and testing center, TDC is fully equipped to conduct testing under CNS 12835-2(Gaseous fuels) and CNS 2456-2(Water Supply, Drainage, and Waste Disposal under Pressure). Engineers from the QC center have also undergone training and obtained ISO 17025 Laboratory Certification from the TAF Foundation. Executing IQC, IPQC, FQC, OQC quality control under the highest TDC-requirements in compliance with CNS 2456-2 and CNS 12835-2 standard.\

TDC is fully comply with national standards CNS 12835-2(Gaseous fuels), CNS 2456-2(Water), as well as international standards such as ISO, EN, and ASTM. TDC implements the strictest quality management system to ensure the realization of a highly efficient and zero-leakage high-density polyethylene (HDPE) pipeline system.