... 3. High precision 7X Microscope eyepiece convergence set for sale in Chengdu 1.This eyepiece convergence set is made ... CNC lathe turning parts, grinding parts, stamping parts, casting and forging parts, assembly service.2.Various Machining Materialsaluminum, copper, ... , Polishing, Powder Coating, Blacken, Hardening, Painting, Silk printing and many other treatment of the parts.4.Quality Assurance IPQC ...