End product staircase, staircase column, stainless steel guard rail, staircase fitting, stair rails, front door handle and hardware fitting.
成品楼梯，楼梯扶手，楼梯立柱，不锈钢护栏，楼梯配件，大门拉手及五金件。
2
The fitting error was introduced to design the adjust step of quantum rotation door, thus solution space was narrowed.
用拟合误差设置量子旋转门的调整策略，缩小解空间取值范围。
3
At present, it's widely used in the production of steel made furniture, stainless products, theft-proof door, kitchen fitting AD repair welding of wire lath.