We are certified as an anti-bribery management system and all our inspectors and auditors are fair and impartial. We promise to show the most authentic product quality to our customers.
ISO 9001:2015 certificate:
QGS protocols are certified compliant with ISO Standard 9001:2015 (No.zl92090220231480), the international standard for quality management best practices. This certification represents a strict adherence to ISO requirements and a commitment to enhance client satisfaction. ISO 9001:2015
AAA level credit enterprise
In China, our company is a AAA credit enterprise, and our boss is a Chinese credit entrepreneur.
This is a high honor in China, we will never be trustworthy, which is why our customers are willing
to cooperate with us for a long time.