专利

WTD1曳引机合格证

WYT-B4合格证

THJ(W)(G)2000无机房货梯合格证

TKJ(W)1600-2.5-JXVF无机房客梯合格证

THJ5000货梯合格证

CRXB12-100合格证（L≤37.4)

FGSS01-18.5YTJ一体机合格证