By sheet valuation is aimed at stair of high-grade fact wood more, press stair namely all component quote, include general column, large post, columella, baluster, armrest, footplate, expand screw.

• 按单件计价多针对高档实木楼梯，即按楼梯所有的部件报价，包括将军柱、大柱、小柱、栏杆、扶手、踏板、膨胀螺丝等。