Tang Zhangwei combined the glass technology brought from Egypt and Eastern Rome with the glass technology of the Tang Dynasty itself.

The technicians brought from Eastern Rome, Western Europe, and Arabia began to serve the people of the Tang Dynasty well.

A huge glass factory began to be set up, and many Datang people could work here and enjoy various benefits.

"A Machete Ping Datang" Chapter 124 Vikings are hitting in the hand, please wait a while,

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