Speed邦 Company specializes in: harbor and coastal engineering, underwater cable and optical fiber laying, detection; underwater pipeline installation, maintenance, and inspection; reservoir and hydroelectric dam inspection and repair; intake works; caisson work; underwater cutting and blasting projects; dock engineering; sunken ship recovery; underwater anode welding protection, utilizing underwater wet welding, dry welding, and CO2 gas shielded welding, as well as underwater plasma cutting for underwater installation and dismantling operations on ships, platforms, subsea pipelines, and underwater steel structures. Construction of subsea pipelines and underwater optical cable laying. Underwater sediment removal, river and channel clearing, pool sediment cleaning, and underwater concrete repair and casting.