Advanced equipment is the guarantee for precise manufacturing, ever since our company beginning, JINYI have been focus on equipment investment, imported seires of advanced equipment and training experienced employees. For any kinds of precise & difficult process, we can manage it smoothly.
Jinyi knows from the right beginning that, heat treatment is crucial for product performance, we invested in quench & annealing equipment, gas nitriding oven to guarantee the precise control of heat treatment of material.
In every procedure of production, we offer precise control in quality. Company imported series of NC & CNC turning machine, milling machine, deep hole drilling machine, etc.., and in every step of processing, there will be inspection in case of any mistake. So that all product will be finish in quantity, in quality & in time!
Surface treatment can direct affect final product life time & functional use. We imported mirror finish equipment for precise components process, and also JINYI is the 1st in our business to build our own Chrome Plating workshop! Till now, all procedure of screw barrel & tie bar process are controlled in house!
Before your product packing, there will be more strict inspection by our QC department, so that you can use your product without any other concern when receive it.
Material:
| JINYI | Chinese | Japan | America | German | Treatment | Hardness | Appliance |
| GB | JIS | AISI/SAE | DIN | ||||
| JYN1 | 38CrMoAl | SACM645 | 6470E | 41CrAlMo7 | Gas Nitrition | HV 950-1000 | Common Use |
| JYN2 | 40Cr | SCr440 | 5140 | 1.7035 | Chrome-plate | HRC 42-55 | |
| JYN3 | 42CrMo | SCM440 | 4140 | 1.7223 | Chrome-plate | HRC 48-58 | |
| JYN4 | 45# | S45C | 1045 | 1.1191 | Hardening | HRC 42-46 | |
| JYH5 | Cr12Mo1V | SKD11 | D2 | 1.2379 | Hardening | HRC 62-65 | |
| JYH6 | 4Cr5MoSiV1 | SKD61 | H13 | 1.2344 | Hardening | HRC 60-65 | |
| JYH7 | 9Cr18MoV | SUS440B | 440B | 1.4112 | Hardening | HRC 56-58 | |
| JYG1 | (Confidential) | <35% GF | |||||
| JYG2 | <40% GF | ||||||
| JYG3 | <40% GF | ||||||
| JYG4 | <45% GF | ||||||
| JYG5 | <50% GF | ||||||
| JYG6 | >50% GF | ||||||
| JYG7 | Optical Glass | ||||||
| JYG8 | >300℃ Temp. | ||||||
