In the living room of the villa, Liu Qiangwei looked at the tempered glass window which had been cracked in front of her, and she was surprised.

Since this tempered glass could be used as the French window of the villa, it could be sure that the quality of toughened glass must be good. Moreover, the quality of tempered glass made in Huaxia was well-known and it even had been sold to abroad.

However, such a high-quality tempered glass window with a thickness of 5cm ...