... issued by the Ministry of Labour of the People's Republic of China (1990), no.8; and passed the quality assessment of hydraulic pressure ... design and production.·This product is supplied to filters and filtration systems in pharmaceutical, biotechnology,food, beverages, electronics, chemical ... minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Gas sterile filter