We specialize in custom precision machinery parts. 1.Certification:ISO9001 2. Drawings Accepted 3. ... Co.,Ltd was established in 1994,We are specialize in produce all kinds of precision machinery parts(nuts,bolts,fasteners,washers ... ,roughness tester,impact test machine,pressure tester,altimeterWe can provide Custom Fabrication Services ,you are welcome to send your technology drawings ...