In 33 years of technological accumulation, autonomous research and development was carried out to produce products such as photo-nap self-cleaning coatings, photo-voltaic defacement repairs, solid ceramic filter washing agents, production of environmentally sound gold lifting agents, ceramic filtration filter washing agents, photovoltaic washing agents, pv robots, wind turret cleaners, wind-screen cleaning agents, oil cleaning agents for parts, anti-infilament retardants, anti-infilm microbicides, anti-infilament microbicides, detergents, devastates, etc。