Our company can make products according to GB, ASTM, DIN, JIS and ISO standards, as well as the non- standard products and the mass stamping parts. We can meet customers' special needs.

本企业可根据客户要求按国标（GB）、德标（DIN）、美标（ANSI）、英标（BS）、日标（JIS）等标准生产，并可生产特殊规格的非标产品及大批量冲压件，以满足客商的特殊需求。

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YEUN CHYANG and FROCH are specialized manufacturer for stainless steel tube and pipe. Products are in conformity with CNS, JIS and ASTM standards.

允强及彰源公司都是专业的不锈钢钢管制造商，产品质量符合CNS, JIS及ASTM等国家规范标准。

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