scale measuring rectangle ruler 1.size:650,950,1250,1650,1850mm ... scale measuring rectangle ruler 1.size:650,950,1250,1650,1850mm2.material quality:high3.not easy to change shape4.manufacture Anhua Glass ... Limited a manufacturer involved in diamond tools for glass processing was found in 1990 and approved by ... customers all over the world.Our ruler series products: scale measuring rectangle ruler