... YDGT Standard: ASTM,AISI,GB 201 stainless steel pipeYADA STEEL CO.LTD,TEDA CHINA -supply stainless steel pipe 200 series,300 series ... for foodstuff, etc. Tianjin Ya Da Steel Stainless Steel Co., Ltd., founded in 1993, is located in the northern China ... original three peaks bus) Tianjin Ya Da Stainless Steel Products Co., LTD. Integrates steel trade, processing, transportation, warehousing as one of ...