4. Certification: Taizhou Zhijia Automobile Testing Tool Co., Ltd. was established, and it was renamed as Zhejiang Huangyan Mould Co., Ltd. on 20/0/3, and Taizhou Huangyan Dedao Mould Co., Ltd. was established. In August of the same year, it passed the evaluation of qualified mold suppliers of HarbourResults Ford Company in the United States, and it is a leading enterprise in Taizhou stamping industry.