For example, using timbers, we not only check the moisture of each timber, but also ask special workers to cut the parts of timber which have knots and crannies.

• 我们对品质的要求是极为严格的，不仅要对每个合作的供应商做严格的前期考察和比较，还要对他们提供的每一批次原材料都要进行严格的检验，不合格的材料绝不允许投入生产。