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ƷͨISO9001ϵ֤ҵGB/T28001ְҵȫϵ֤
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1.ⷧƽբȽشĽṹܷɿά㡣 2.բ壬⹤մ纸ӲʺϽĥķʵ˫ܷ⡣עܷ֬˫رܷɿʹ 3.ϽṹΰȷؽΪͨŵ3/1-1/2 4.еƽբҪͨܵĹߣ޵ƽբڲҪͨܵĹϡ 5.ƽբڱáվڼڽʵĹ·ϣںͽضϽʡ 6.ƽբѸ٣ر޳ֶתṹӱɿ 7.綯ƽբͣZ9BͣZ9bͨͣZ9֣ɸûҪѡͺš 8.㷺Ȼʯͣйܵȼߵ͹ߣſϵͳװϣ豸 Ʒ׼ API 6D ܵ JB/T5198-91øƽբ ANSI B16.5a-1992ܷܼ JB/T79.179.2 ֹܷ GB/T13927-92ͨ÷ѹ JB/T9092-1999ŵļ
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