How about Yangkou Kunlong Petroleum Machinery Factory?

All right. According to the survey of 58 cities, the technical level of Yangkou Kunlong Petroleum Machinery Factory is constantly improving while it is growing. By 2023, it has owned 76 national independent intellectual property patents, some of which have reached the international advanced level, and paid five insurances and one gold for employees. There are also various holiday employee benefits and reasonable rest time during work, so Yangkou Kunlong Petroleum Machinery Factory is very good.