A new CASIC MANPADS weapon, the QW-19, was also shown.
CASIC的新MANPAD武器QW - 19也进行了展示。
2
Providing the conditions of QW-304 are satisfied, renewal of qualification may be performed on production work.
在符合QW-304要求的前提下，可以在生产工作期间进行资质更新。
3
Renewal of qualification may be made for any process by welding a single test coupon of either plate or pipe, and by testing of that coupon as required by QW-301 and QW-302.