Diving service ability in credit evaluation level II Certificate

At present, many consumers come to our company for inspection and consultation on the underwater rescue price of our technicians. What is the price measurement standard? Why are some prices very low a

What is the treatment principle of sunken ship salvage underwater engineering? The basic principle of underwater engineering is chemical grouting. Chemical grouting is to inject the pressure polymer m

Underwater cutting is another underwater project. With the rapid development of economy, underwater cutting is more and more widely used. What are the environmental requirements of underwater cutting?