The checker is checking the interlinings prior to packaging one by one

1, The self-examination is done within the workshop, the special checkers inspect the liner one by one.

2, Physical & Chemical Test Center：① being responsible for the raw material's test；② being responsible for the inner and outer quality inspection and supervision prior to shipping. ③ test standard： being up to national standard and munition quality standard.

3、All of the workers and checkers are well-trained.