DC , DAA , DAB , DAC 焊接結構用碳鋼:SM400A SM41A SM400B SM41B SM400C SM41C SM490A SM50A? SM490B SM50B SM490YA SM50YA SM490YB SM50YB SM520YB SM53B SM520YC SM53C SM570 SM58
壓力容器用碳錳鋼:SPV235 SPV315 SPV355 SPV410 SPV450 SPV490 SGV410 SCV450 SGV480 SGV42 SGC46 SGC49 SB410 SB42 SB450 SB46 SB480 SB49 SB450M SB46M 讓我們展望未來,您的智慧我們真誠的服務;攜手共創前程!