Impulse withstand it is as direct as service life of heat preservation container relevant project. In the use process of product of heat preservation container, hard to avoid has stumble, if product fittings place is used material avoids shake sex is differred or the precision of fittings is insufficient, there can be crack between glass liner and crust, the rock in using and knock against cause asbestine possibly to fill up occurrence crackle of displacement, small tail to affect performance of product heat preservation, serious when also can cause glass liner crackle broken even. This second selective examination, have 7 batch product this project is unqualified.

In addition, this second selective examination discovery, mark of general ignored product tags company of production of heat preservation container, national level sets, product of heat preservation container should indicate product name, caliber, manufactory name and the site of factory, used standard name, use method and the note in using, this second selective examination there is 39 batches designation not to accord with a requirement in 41 batch product, occupy the 95.1 ％ of gross. " Chinese quality signs up for "