Since its founding in 1995, the Shanghai Kefa PreciseAlloy Material Co.
上海科发精密合金材料有限公司，成立于1995年。
2
The light alloy bridge is 25 percent stiffer than traditional designs and the X rail has a 50 percent lower center of gravity for smooth, precise operation.
轻合金桥架，较传统设计刚性提高25％，X向导轨重心降低50％， 从而保证了平稳、精确的运动。
3
Plaster mould precise casting process was used to manufacture zinc-base alloy mould for plastic wares production.