Quality ensurance: Each of the procedures are strictly checked to prohibit inferior products from going out of the factory.

质量把关：每道工序都严格的把关，杜绝不良产品出厂。

youdao

Quality ensurance: Each of the procedures are strictly checked to prohibit inferior products from going out of the factory.

质量把关：每道工序都严格的把关，杜绝不良产品出厂。

youdao