... or according to the qtyAbout our companyWenzhou Zhongde Light Industry Machinery Co.,Ltd was established in 1994,We are specialize ... in produce all kinds of precision machinery parts(nuts,bolts,fasteners,washers,pipe fitting,washers,etc), ... tester,impact test machine,pressure tester,altimeterWe can provide Custom Fabrication Services ,you are welcome to send your technology drawings ...