In Lianyungang, a city renowned for its industrial prowess, technical companies play a significant role.

Differences among these companies can be observed from their core competencies, technology portfolios, and market positioning.

1. Core Competence: Some technical companies may specialize in areas like marine engineering, renewable energy solutions, or advanced manufacturing technologies.

2. Technology Portfolio: The level of innovation and technology advancement will vary. Some might have cutting-edge research facilities, while others might focus more on applied technologies.

3. Market Positioning: Companies within the same industry could have different strategies for capturing market share. Some might focus on niche markets, while others aim to be a broad-based player.

In conclusion, the technical companies in Lianyungang differ significantly based on their core competencies, technological advancements, and market positioning.