Huzhou Dingshang Stainless Steel Co.,Ltd
ASTM A269 304/304L/316L/321 Austenitic Stainless Steel Tubing
ASTM A 249A 249M TP304304L316L310S321 stainless steel Heat Exchanger tubes
GOST 9941-81 904L seamless stainless steel pipe
stainless steel tubing
1035320143_092
ASTM A249 stainless steel tubing for heat exchanger
ASTM A554  mechanical tube
U-BEND
bright annealing