SGS
Third-party
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High-tech enterprise + East China University of Science and Technology joint lab. Third-party marks on the wall.
35 years. 1,000,000+ formulas. Each number is a test that was not skipped.
Third-party marks used on export and food-contact jobs
Quality, environment, occupational health — three systems under 35 years of shifts.
Town and city boards that recorded the years
Joint lab, people, and files — so the 35 years keep growing

A shared bench with East China University of Science and Technology.

Thirty-five years of recipes written down, so sample time shortens and batches hold.
The lab team sends parameters and a line proposal. No guesswork on the phone.