Jinhua shuangLi Tools CO.�Ltd. is a manufacturer of water Bubble vial and PMMA plastic Spirit Level. Now the company comes into being a complete and effective management system of technical development, production, quality control, and after-sale service according to the Iso9000 quality control system. The company uses high grade materials, modern manufacturing production process and specialist to produce the contemporary production. Our Bubble vials conclude five series, Cylinder level Vial, Round level Vial, Square level Vial, Square-Round Vial and Multi-Purpose Vial. We can make the production on your requirements also. As a supplier of OEM we will offer you the best production, the best service and the best price. Welcome to our factory. We wish to establish a long-term, steady business relationship with your esteemed company.