Connecting the three union-type caliber tee control type: dn25-150 and 1 "-6", the international industry standard: DIN, ISO, SMS, 3a, IDF, material: stainless steel 304 and 316L. in order to ensure the product quality of the fittings, the materials used are carefully test and quality control and management period the star can also be finished. According to user requirements to provide drawings for manufacturing, to meet the requirements of GMP standard.