Note：
我们生产铝合金缸盖, 2018年产量达到3万只，2019年预计产量5万只，目前新产品较多，主要运用于汽车空压机。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.