1. First of all, Yantai Dahan Electronics was established on February 9, 2005/kloc-0. Engaged in the design, production and processing of various industrial electric furnaces, electric heaters (excluding boilers and pressure vessels), heat treatment equipment and related products, with easy work. Yazaki is engaged in the design, manufacture, sales, inspection and after-sales maintenance of automobile wiring, automobile instruments, automobile wiring parts and their molds, with many tasks and very tired work.

2. Secondly, Yantai Korea Electronics provides employees with five insurances and one gold, while Yazaki has no corresponding insurance protection.