Note: 我們生產鋁合金缸蓋, 2018年產量達到3萬只,2019年預計產量5萬只,目前新產品較多,主要運用于汽車空壓機。We produce cylinder head, sold 30,000 in 2018 and an estimated 50,000 in 2019. At present, we are developing many new projects, mainly used in automotive air compressors.