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Quality Control System

With strict quality control system, excellent R&D strength, and modern equipment, ZTT has provided solid foundation of industrial support for satisfying the customizing requirements of global consumers.

ZTT always insist “Quality comes first” and “Focusing on prevention”; and has already passed ISO9001 certification. What’s more, ZTT has strictly managed and controlled the process of design, manufacturing, installation, service, and so on.

Nowadays, ZTT is fully implementing Environmental Management System (ISO14001) and Occupational Health Safety Management System (OHSAS18001); thus gradually established a more comprehensive enterprise standards and regulations. Furthermore, ZTT is constantly improving the environmental performance of products to follow out the Sustainable Development Strategy, and highlighting its sense of social responsibility.

Main Points of Quality Control:
(1) Supervision:
-Quality guidelines, quality targets, "quality manual" and "procedure document"
-Quality responsibility of related departments
-Regular inner quality examination, keep quality improving and training

(2) Management:
-Market exploitation and contract investigation
-Supplier evaluation and selection
-Raw material inspection and test

(3) Production:
-Task guide book
-Unqualified product control
-Product color code tracking

(4) Others:
-Packing and transportation
-Statistical technique
-After-sales service

Quality Test:
-All related equipment adjustment and control
-Purchased goods test
-Production process test
-Final test
-Regular test and examination

Document Control:
-"Quality Manual" describing quality system
-Working guide book for directing production procedure
-Other documents supporting quality system