Inspection Standard for 6s Finger 3Q6S of Yu Kai Automobile Electrical Appliances. Changzhou Yu Kai Auto Electrical Appliances will carry out regional inspection, which should meet the 3Q6S inspection standard. Denso Yu Kai Automotive Electric Appliances (Jiangsu) Co., Ltd. was incorporated in Wujin District Market Supervision Administration on June 9, 2007. Legal Representative Zhao Xingjiafei. The company's business scope includes the research and development, manufacture, sales of self-produced products and technical services of automotive electrical appliances, motors and their parts.