南通银宝山新申请汽车内饰门板注塑模具及注塑工艺专利，降低注塑模具的生产成本和使用成本

Group 1 - The core viewpoint of the news is that Nantong Yinbao Shanjin Technology Co., Ltd. has applied for a patent for an automotive interior door panel injection mold and process, which aims to reduce production and labor costs in the injection molding process [1][2] Group 2 - Nantong Yinbao Shanjin Technology Co., Ltd. was established in 2017 and is located in Nantong City, primarily engaged in the manufacturing of specialized equipment [2] - The company has a registered capital of 40 million RMB and has participated in 13 bidding projects, with 47 patent filings and 6 administrative licenses [2]