本厂建于80年代初，主要生产钻机配件，弹性销， 空心铆钉。
The factory was built in the early 1980s, the main production rig accessories, flexible sales, hollow rivets.
内置式浮动销杆又由硬体滑杆和软体滑杆组成，浮动销杆只能在空心的握柄、弯力弹簧和空心的竿身套管内移动。
The built-in float pin rod comprises a hard and a soft slide rod, and moves only in the hollow holding handle, the bending spring, and the hollow casing for the rod body.
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