... .7.Material:304,304L,310S,321.321H,316,TP316L8.shape:C and U Channel9.Steel grade 300 series10.Secondary Or NotNon-secondary11 ... our own factory, could offer the products with good quality and competitive price.We Liaoning Stellar Stainless Steel Co.,Ltd. have ... 1997, third-grade metering, the People's Republic of China on the Administration of Production License for industrial products, ETC.Cooperating ...