本公司生产不锈钢装饰品，主要有不锈钢圆球，精品球，半球，螺丝球，梯花，拉手，门花，门环。
We manufacture stainless steel products which are used for decoration. Fine balls, hemispheres, worm balls, door flowers, doorkonbs, ladder flowers, knockers are our main products.
杆的位置由千分尺螺丝规或球度计确定。
The position of the rod is determined by a micrometer screw gauge or spherometer.
一个相当规模的眼睛是固定螺丝在跨片的框架，以及这场比赛的球。
A good-sized screw eye is fastened in the cross piece of the frame, and to this tie the ball.
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