油浸密封导轨石材切边机的先驱－恒信石材切边机（专利号：95229177.0），经过20多年的不断完善，已经成为手摇切边机的佼佼者。其特点：机身大量采用铸件结构，提高了机器的稳定性及切板精度，避免了钢架及槽钢结构所带来的不稳定、机器变形、机头颤动等缺陷；平台滚轮与导轨密封在润滑油槽内，极大延长了导轨及滚轮的寿命、使用轻便、节省了操作工人体力。

The poineer of Oil-lubricating and Sealed Slideway Cutter---Hengxin Stone Cutting Machine (Patent No.95229177.0),after 20 years uninterrupted developing,has been the best of hand-operated cutting machine.

Features:casting stucture improves the stability and cutting accuracy,and avoids the weakness of being out of shape of the machine and trembling of the cutting part;idler wheel of terrace and slideway are sealed in the lubrication oil groove which extends the bearing of the wheel and slideway.And it is eay to operate and saves more energy.