1K duplex (one-component): high solid content, in line with environmental philosophy; in a variety of substrates with excellent adhesion; excellent interlayer adhesion; dry fast, easy construction; polished excellent; ordinary artifacts Tu primer or 

1K iron oxide red primer (one-component): high solids; excellent adhesion; better corrosion resistance; fast drying, good workability; polished excellent; iron primer, there is some corrosion resistance