Ordinary 600 * 600 aluminum buckle plate integrated ceiling price how much? If i do 300 * 300, the price will be cheaper?
Ordinary home improvement are generally 300 * 300 600 * 600 is the use of more tooling, such as office buildings, schools, etc.
Home improvement is certainly cheaper than the tooling
Ordinary 600 * 600 in 100 or so.
